Are you truly non-judgmental enough to be friends/friendly with someone who is completely different than you?

A lot of my friends are very different then I am when it comes to parenting and anything for that matter. When it comes to certain things I just am not a believer in or would ever do they are the ones to do it. I never try to judge anybody and I do try to get along with everybody as much as possible. Granted I do tend to heads from time to time but that is only really with two people that I just could not stand from the moment I meet them and sadly I disagree with EVERYTHING they do. I wish I didn't, but they are just one of those people that rub you the wrong way.