I think the most important thing is that we teach our kids to say no. That if they feel uncomfortable about a situation they can say no, I don't like this and refuse. Total compliance is the big danger, really.
i think this is so important. I have known parents to 'force' kids to say hello or hug or kiss visitors in order that they not be rude, but to me it is just the first step in not allowing kids to set their own boundaries and respect the child's perception of people and right to to make guidelines for their own bodies.