Knowing your table

[Demana]

A friend and I have been arguing over the importance of knowing the table that you are playing at. He's tight and plays that way no matter the tabel texture. I tend to start tight and then base hand selection on the players at the table, my position, and the action in front of me.

Every so often, I'll raise or call with a hand that boggles him and when I say that I based it on knowing my table, he goes balistic.

Shouldn't your play be based on knowing your table?