[quote=Aristo]
All it takes is a little research and abandoning misconceptions held by said media.
[/quote]

Knights in full armour can backflip! How the hell can I GM a balanced and fair game when I know light armour isn't worth crap? Any variety amongst armours will result in defeat! It isn't worth the risk.

[quote=TheSovereignGrave]
It's just one little detail dude, it's not something to back out of GMing over...
[/quote]

Pretty big detail, considering the amount of war references in the title. I can't lead a war game when I don't know about the weapons and armour available. If I lead a WW2 era wargame and gave everyone AK-47s, that would be a very large oversight.