The question is, has it helped them win? I think that's much more debateable. How many times have you seen a team go for it on 4th down, convert and still get nothing out of the drive and punt anyway? How many times have teams not gotten the 1st down? Cost Green Bay a FG trying to go for it with a fake punt in their own territory. Sometimes it works, sometimes it doesn't. I think it makes more sense if you have a good offense as opposed to a good defense. If your defense is better than your offense, I think punting and playing for field position is the better option still.
Statistically, it leads to more wins, but some games won't work out.