Dismissed by the intelligentsia, like everything he says. Usually they are right to do so, but occasionally I think there is a touch of "orange man bad" syndrome.
I treat Trump's grunts like the output of a Markov chain random text generator and don't consider them official signifiers either for or against anything. He blathers and lies and then contradicts himself with different lies an hour later. He's a classic bullshitter.
I’m not sure how that translates to “dismissed out of hand”.