Log a complaint with Repbot - and maybe that one is worth mentioning to Patti directly, he does sound a particularly choice character.
Check 'savedfor' for that player to confirm, then email the details to Patti at email@example.com. If you specify th eopening kibitz, that will help to explain.
The limit of 10 saved games will soon stop the nick from functioning, but it doesnt help you if they start a new nick and do the same thing to you again.
If you get an unpleasant opening remark like that, it is best not to take it up in person, but use the command 'gag <playername>', you will then not see anything further that they say and can play on undistracted.