If an user threatens another user ~ with getting him banned... is that OK?
I'll tell you what: if you post plagiarism, I'll get you banned!
The above is of course just an example and not a "threat". You could even consider it a warning.
(especially a rather new account)
~
it can silence or disappoint new users coming to this forum
This is a much bigger problem: Bitcointalk in general is very unfriendly to Newbies! It was like that when I joined already, and in the first year I was afraid to get a red tag for some unimportant tiny mistake.