Yes, they do and will use if to increase conservative influence in the next congress.
Deposing McCarthy only ensures a worse choice and the rebels don't dare be held responsible for that . Holding him to promises extracted will be a challenge, but some conservative pundits believe:
“There are dozens – perhaps as many as a hundred – populist conservatives joining Congress at the beginning of next year.”.--JR Dunn, AmThinker
No it doesn’t mean a worse choice it just means the POS has to resign or face humiliation.
What’s he going to do ...