I have known far more non-JW's, than I have JW's.
I think alcohol can be a problem for anyone.
Or food. Or drugs. Or television. Or facebook.
They are hypocrites.
JW life is not happy family life, no matter how many times they make their claims. They are not immune to worldly problems. They try to insulate themselves from society, and sit inside buildings with no windows, so they can pretend they are better than the world.
I still remember the day the JW's gave us that book about how to have a happy family. What a joke.