Yes and no. You're not likely to do well, when outnumbered, that's for sure. But you can certainly take a few men down with you. And there are plenty of accounts across history of one man taking on large numbers of enemy. Morale and psychology play a big part in that, and we're missing that piece of the simulation for the most part, but even unarmed brawls online you find cases of one guy taking on several. Weapons and high lethality are a good equalizer against numbers.Speaking of realism: that's how a real fight works. You don't skillfully eliminate people.when you're getting mobbed: you fight desperately and you're lucky if you don't go down fast.
Yeah... and they didn't go charging half-naked into battle. So do you want the naked berserkers in furs, or not? At this point, you are just being contrary, and I don't know why.As for berserkers: the eddas that they're based on appears to disagree with your assessment. Far from one-shot wonders, they were feared individuals who lived long enough to make a reputation.
Armour is ineffective enough that two handed weapons are reasonably effective against it. So two-handed weapons feel more reasonable as a result, yeah. But once you get armor right, then suddenly they would be underpowered.