[PantsOnFire]

Here are some things to think about.

1. These players do this a lot in position because they can use their position better than most players.

2. They are experts at post flop play and can either get away from the hand or outplay their opponents.

3. They play a wide range of hands to make it hard to read them.

4. They play these hands to get paid off when then have premium starting hands.

5. They are playing against opponents who are capable of making a big laydown.

6. They have superior reading skills and can sort out where they are in a hand really accurately and wether their opponent is weak or not.

7. They are experts at reading the texture of the flop and proceeding accordingly.