My reasons for wanting to ban EP are about 20% her/his attitude and 80% that I haven't seen a constructive post from him/her yet.
Of course, I don't read everything so maybe you can point to 3 posts of his that actually offer more than unsupported assertions. (I'll help -- there is one regarding animal conscienousness).
He mouths off with statments that are based on utter ignorance of the topic. He/she seems to think that s/he may offer critisms about a topic which he demonstrates, over and over, he/she knows nothing.
His attitude makes it apparent that he/she isn't going to learn so I don't think we need to clutter up the science threads with obvious (to the most slighty aware) crap.
Others who offer unsubstantiated opinions may be held to the requirment to support them when asked. None of the admins are going to catch every case. If you point them out (as much as is needed) something will be done most of the time.
Some are more like EP -- almost every single post is an affront to reason and the percentage with any support at all is small and shrinking with each new post.