He's the one. Every time the RNC asks me for money, I spend the price of a stamp to return the donation envelope with a note - " Not a penny to the RNC until Mitch McConnell is deposed as the Senate leader." He worked ceaselessly against the Trump agenda and continues to work with the Democrats as if they were his very own party.
That's because he keeps a low profile. He isn't on TV every day.
I don't think we should discard our elders as a national policy but at some point, you really are too old to be in control of the Senate. His staff doesn't let him speak in public any more. He is worse than Biden.