They won't go after him for that, because it would take too many other Democrats down too. Much easier to bring up sexual harassment complaints. Democrats love using that as an attack mechanism.
Yep, this is Trotsky and Stalin struggling for control of the party after Lenin died.
The democrats no longer have to worry about republicans at the ballot box between stolen elections and 30 million new Mexican voters, and rank order balloting by the next election.
So now the only game in town in in the internal power battles for control of “the party”.