Being "very wary" sounds like real good advice to me. That's actually something that comes up for discussion a lot here at PC. Lots of us have learned the hard way that you have to pick who you confide in.

Oh, you mentioned crisis hotline people at the top of the thread. Some of those lines are manned by volunteers who can vary a lot in their capacities. Many are wonderful. A real problem on those lines, IMO, are paid non-professionals. I had a horrid experience talking to such a person on a very bad night. Communities sometimes contract with a health care organization to provide a hot line. In my area, the HCO staffed it with paid non-professionals whom they gave some sort of training. They were the most awful, cynical characters you could ever talk to. You have to assess the person you are confiding in before you say much.

Even employees in a psychiatric facility are not, all of them, what you would hope. Ultimately you have to protect yourself.