dwarven ale

Why does the dwarven ale only work on my tank and not my ranger or monk?

rangers and monks are smarter than tanks, and therefore have a higher resistance to booze?

seriously though: no frikkin clue perhaps the ranger and monk are drinking light dwarven ale (although this does sound like a mortal sin) Unless of course the ranger and the monk have post processing effects disabled under options?

Dwarven Ale effects my ranger just fine.

So I think you are paranoid? Maybe because you dont see the post process effects? Check your Drunk tiem in the title screen.

Though for a monk..I dont see them drinking much

Sometimes it takes a few drinks to get drunk.