Because most games studios are American and prefere to show America winning in their games.
But then again, most of country's game studios dont like to advertise their country's biggest millitary failure as their next big seller.
[Edit]
Also there are a few games set in Vietnam (most have already been said)
But then again, most of country's game studios dont like to advertise their country's biggest millitary failure as their next big seller.
[Edit]
Also there are a few games set in Vietnam (most have already been said)