I would say that the best thing a member can do if you think someone seems to be a bit out of control with starting new threads (they could be having some issues that are difficult to control) is to report the thread to the Support Team and let them deal with the issue, if there is indeed an issue to deal with.
Let's remember that since this is a mental health site, there are many members here who struggle with things and may need a bit of care and compassion while they work through it.