I don't honestly see how making sure everyone sees again just how horrific the riot in the Capitol was will help, if I am honest: unless it is proved conclusively that Trump instigated it all, that it happened won't get him impeached.
And that will be what the Republicans are saying to themselves: "They don't need to go on and on telling me what happened; I know what it was like, I was there; but what exactly has it got to do with the President? He wasn't there..."
I doubt that anyone could pretend it hadn't happened, after all. What they are pretending to themselves is that Trump didn't instigate it, and showing it doesn't prove that he did.