[AndrewC]

and if he's a really troublesome rogue, call him names without penalty.

What penalty?

[Alamo-Girl]

What penalty?

being out of compliance themselves for using belittling language

A science thread poster who has signed-on to the agreement and is complying is immune to the abuse key from others who have signed the agreement. He is also protected from the use of belittling words against himself or his beliefs, etc.