Mike Johnson said "I personally have real reservations about doing this [expulsion], I’m concerned about a precedent that may be set for that." Yes, let's NOT set a precedent of holding politicians accountable for lies, fraud, and theft!
It should be pretty easy to find the list of everyone else who voted not to expel, so we know who is pro-corruption.
He said this well after the Ethics Committee released its findings. Santos was effectively shown to be guilty.
In the previous attempts at expulsion, a lot of people voted against simply because the report wasn't out yet. It would have set a dangerous precedent to vote to expel someone without proof of wrongdoing.
He literally was just convicted in a trial by his peers. His explosion is exactly the basis for common law including many of the points of the magna carta.