The one thing that has a chance to keep McCarthy in line with his promises is the rule “Motion to Vacate” which allows a single Congressman to offer a motion to remove the Speaker.
If 20 Republicans and all the Democrats voted in a block, Kevin McCarthy could be removed.
Mark Meadows, Chief of Staff under Trump, while as a congressman, offered a motion to vacate against John Boehner, Boehner survived the vote but resigned shortly afterwards not wanting to continue after coming so close to getting removed as Speaker.
“If 20 Republicans and all the Democrats voted in a block, Kevin McCarthy could be removed.”
So at least we’ve got that goin’ for us ...