I use FB because family does, keeps me in touch with niece in UK. After dtr had her school reunion, I got contacted by her school pals who had spent so much time at our place during those years. Have lots of them as friends and up to date with their kids....OLD.
Haven't had any bother, but then I am lucky as my RABF doesn't do FB sober and would be useless if he drank anyway.
As for these "Peter Pans" and their boozy times, yeah I would give them the push, as who needs more of that in life?
God bless