Although the BTN (should be in theory) is much more likely to flat with the over pair here vs the BB who has to play out of position in a multi-way pot. Generally even fish know to raise big pairs in those spots. Also, while it's true that obviously bad players will make bad plays, this shouldn't impact our decision making process *too much*. By that I mean, we should still not be deviating from what we perceive to be the "best play" too often here, just because players do show up with the most random holdings. So yes, we would have lost more $ with 99 vs QQ (and that's OK), but we would have also won more money vs the A4 right. I still don't like the fold on the flop, I think it's always a call or small 3bet and then... we can have BTN end the hand anyway afterwards... or... you know know, we 3bet this flop and the BTN might fold QQ some of the time, I've seen it happen.