Well, not going to call anyone stupid. Sometimes not being able to see what others do reflects your ability not theirs.
I think the game is about adjusting to all factors that affect play. Whether the game is free or buyin certainly falls into that category of factors.
I think to say never in poker is a mistake. There are correct ocassions to do the "wrong" thing. I'm no expert but in a big tournament when players are going all in with zip and will reraise big at the drop of a hat min-raising has a place. I
usually don't mix it up in that situation until I have an advantage. I personally have never seen a reckless-all-in-all-the-time-player win a tournament. They are most often out before the 1st break.
It's a guess to know when to counter in that situation. I hear players talk of their skill putting people "on a hand", the best I've seen is Daniel Negreanu - he's scary but it's still a guess and with lesser skill than he - it's easy to be wrong. In SuperSystem2 or Theory of poker (I forget which) there is a passage where the author says he loves to get "perfect readers" in a hand because he can exploit their reading ability to his advantage.
One example is that I know several players who automatically and without fail read a minraise (any raise that is not strong) as a weak hand or that you can't play. These players are easily trapped by a "weak" bet with the nuts and for those not willing to revise their read, the trap can be terminal.
The strength of folding mid/weak hand/positions and playing stronger ones is not just playing the strongest hand/position you can, but also dodging an opponents superior hand/position.
I have heard many great players speak of not having an "ABC game". I take that to mean play in a manner that is not easily, accurately, interpreted by your opponents - that would have to include not making the standard play in every situation. I guess the downside is that you look like a noob when you get caught.
Merlin333