Trump sharing allies' intel with the Russians.

[pandr32]

35. The Russians hacking everything during the run-up to 2016 helped.

Especially the fact they hacked into the RNC, Republican campaigns at every level(2015-16), and other Republican strongholds like the NRA (2021).
They have plenty of dirt. There are also corruptible Republicans who have been rewarded in some way, and also--there is the Mob. We are talking local and international (who operate quite freely here).
So, what we have is a group of Congresspeople (R) who are compromised or under threat for themselves or family--or both compromised and under threat.
Since Donald's first term we have watched the most unqualified people ever running for office or being appointed to various offices, committees, departments, and judgeships.