I don't see how they can not move away from him. Jan 6 is going to look even worse over time and surely moderate republican voters will be revulsed enough not to support the party
Only if they know about it.
But as shown above, many don't.
The groups and media companies which have spent the last few years drawing people in with teasers about "Revealing the truth the 'Mainstream Media' don't want you to know, and the secrets they try to keep hidden from you," are, in fact, refusing to reveal the truth to their followers, and are working very hard to keep secrets from them.
I would say it's ironic, but it's not really. It's merely yet another entirely predictable instance of their accusations being, in fact, admissions.