I think one of the dividing lines between advice, judgement and support is acknowledging that one does not have all the answers, complete information or the context to tell people what to do or how to feel.

It's rather insulting to be on the receiving end of something like "just don't do that" or "It is idiotic and irrational to ....", or, even worse, "i question your credibility..."

No one has all the answers to anything. No one. We do not have a shared history, nor have we walked a mile in anyone's shoes. It's about not jumping to conclusions.

Support need not to only be in the form of hugs, but it does need to be realized that our advice is coming from our own internal frame of reference which may or may not be applicable to all.