I say chat away, maybe by asking if the other wishes to communicate. As you say, some do and others don't. In my short time here I have found chatting fun but do little of it. I'm one of those that has never "broke the ice." Remember that anyone can disable chat if you get too loud.
hello my name is toasty when dos the other person move hope the other person moves amazing totally the guy i want twenty three flavors toasty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!