Andersp: Well I don't disagree with you - tougher stance on private chat would be nice, but that is not my call - so only thing I can do is give advise on what I would do - and the "Blocked users" lists will block everything that user will say to you again... if you choose to use it.
(hide) If you need to find an older message from the selected user, click on his Profile and use the "show this user messages" link at the page top. (konec) (show all tips)