The US is rife with scams and has been for a long time, and the US has had the two party system for a long time. It would take a lot of convincing for me to believe that this time 4 more years of Democrat rule would have been when the they finally decide to actually do something about it.
Just because she isn't perfect and wouldn't be all powerful doesn't mean both options were the same.
Owners of platforms can be held accountable, especially if they're turning a blind eye. Disabling message history won't save Google or anyone else.