Idra doesn't "rag" on people he thinks are good. That being said, it's obviously a non-issue at this point because now that they're teammates it's doubtful Idra will make any mean (yet hilarious) comments about Lz or any other EG member again.
Idra used to rag on TLO too, but in a recent interview he said that TLO had been one of his main pracitce partners in preparing for the GSL.
I don't think most of Idra's BM is meant personally, or even as an honest evaluation of other players' skills. He just lets his frustrations get the best of him, and likes to talk trash.