You're probably gonna figure it out sooner or later. Forum-Users have a more pessimistic tone, discord has a more optimistic user-base.

I'll see most things as you see them.
2 Things: if you're quite weak compared to other raiders, help them with the objectives (carrying stuff, pushing buttons, protection 1-2 stations against egineers etc.)
If you have a map with those elite chargers, use different raiders. Push can break their charging up, Konstantin with Tolchok can be quite efficient, same as Loath with soup gun.

Söömo is a great support on every mission, including antag. However it's not as bad as you say (in my opinion as a raider). Sööma herself is quite helpless, her damage do weak damage and her ability doesn't help herself.

If she doesn't use a special card, all you need to do is break 3 protections in fast succesion, and she's dead from her ability.

You could focus on her. You could shoot that guy in the head twice.

Antagging in general has become quite hard, I don't think that Sööma is so overpowered compared to other raiders.

What does surprise me is that the shield completely negates one shot, no matter how powerful. I thought it would take away the damage, and if it breaks, leave the rest for the raider. That could be looked at in a future patch.

The antag has the advantage of seeing the raiders chosen. I've had tough Loath antags when going as Sööma.

I mostly agree. The only part where I disagree, is that an antag is not really necessary for a high score.
However it is absolutely true that a high difficulty (without antag) generally lowers the score, as you kill fewer enemies, you die more often and it takes longer. The higher scores through difficulty never ever compensates this.
My highest scores are either with antag or with difficulty around 35 (+/-5). My difficulty when playing with friends was usually 45+, that's why it rarely helped with my high-scores (but it was fun nonetheless).

Another big issue is that you get punished for focusing on objectives and bosses. When playing destroyer of worlds and I see three raiders picking melee builds, I'm already disappointed. If I pick a melee-raider as well, to get lots of kills, all of us will get a lower score because it takes too long. If I pick a boss-killer, my score will be low-ish because I don't have time killing grunts.

Please count way more stats, for example "aleph used for objectives" and "overall damage dealt" as well as "damage prevented" (Sööma) and "hp healed  on others" (overheal not counting).

good that you have both feedback and suggestion.
I'm now loosing for 15-20 games (winning 2-3 in between) dropping my mmr from 50 to 28.
I only play antag for that monthly score of 260, and I've got 9+ on most mission with raider mmr of 50.

And still, with mmr 28 as antag, I still feel like I have no chance at all:
antag mmr 32, raider mmr 36 = 30 diff
antag mmr 30, raider mmr 37 = 34 diff (very same team, next match)

When I run as Lycus, I get taken down by two shots from pretty much anyone while doing 10 damage at most with one shot 5m away.
As Hans with Usu and linear moment card, I can hardly wound a Kuzman with a whole magazine. Even if I wound him, I land and punch, he does his slow roll away and three raiders punch and grab at the same time.

As soon as I show up, I have 4 raiders running my way, doing insane damage at a distance.

Also raiders at mmr 37 are three purple tier 1 and one purple tier 2, playing as a premade team. As soon as I start ghosting as Doldren, they immediatly huddle together. When I was only 37 mmr raider, I hardly knew how to do a mission, let alone how to counter an antag.

Now about the times I've won:
One time, the connection lagged so much (host disconnecting?) I couldn't even choose my raider. Somehow got a weak team and killed them with hyperbole.
Second time, I used easter egg on medias res, so much, that they gave up. Same tactic I used with Shakura before the patch.
Third time, I thought I wasn't seeing right. I had four with mmr 50, some well known. Their mission difficulty was 80! I didn't survive 3 seconds and couldn't even kill a single raider. Somehow they managed to get to the second part of aneskas map until the grunts killed them. I still got a 10 even though they got pretty far.

fyi: I know that I'm very bad as antag. I know that and I enjoy being a raider. With mmr 50, I do alright I think. But that monthly score is motivating me to try the other side and so far it is frustrating as hell and I don't understand your mmr system at all. Loosing 20+ games in a row should not be normal, it is not fun dying all the time immediatly after spawning because it's 4vs1. Mobs are either non-existand and killed as soon as they spawn (there are no mobs to command) or in very rare cases they do all the work.

same bug, just wanted to add that for steam-users Alt+F4 should work fine to quit the game. No need to power down your laptop.

as an antag, hive kicked our asses multiple times today on snake and mouse. Damn that plague.

why shouldn't it exist anymore? The way I understand it, you still have a limited clip, just the supply after that is unlimited.
So the card is still very useful (for Granny for example) so that you don't need to reload as often.

To MSE: Showing unlimited ammo on Konstantin, one of the few without a clip, was perhaps not as useful to understand what "unlimited ammo" means.

I'm a bit worried that weapons were balanced for limited ammo, and now they aren't balanced anymore.
On the other side, I welcome change since the game is getting a bit boring without it.
So MSE, keep the changes coming. Just be ready to either undo some changes (if they turn out to be a mistake) or to adjust weapons that become unbalanced.