There are far more important things to look for in a man or in a woman than to ask whether he drinks or not. There are far, far more important things. If you are looking at a girl, then there are 40 more important things about her than her chastity.
If you want to make friends with somebody, there are a hundred others considerations that you should have, not whether he drinks or not. And these are trivial matters. These are made important by those who do not know what is really important.