....Also I don't see this as a way to balance the game per se, but as to improve gameplay.
Maybe it would be better placed in the gameplay section then.
Considering the intention and where this post originates from it looks to me the suggestion would rather worsen the situation than improve it:
https://www.coh2.org/topic/56326/grenadier-4-man-squad-a-thing-of-the-past