Consider that Trump's base is conditioned to hear that sort of claptrap and it only adds to their glee. And along with that, those Trump supporters that wouldn't see it as rational and acceptable, won't be listening in any case.
Trump will have different ways of appealing to normal people. That's the reason why Trump can get away with this kind of childish shit on Christie.
The Dems aren't going to reach the average Maga with rational talking points. They're all as sold on him as Conc. American. I think they're politically untouchable, and there aren't enough normals in his covey to make a difference for Biden.
It's almost certain now that it's going to have to be 'government and the police (military) to the rescue.