RE: Better for Trump not to talk about it.
Yes.
An honored political strategy I first heard from Richard Nixon:
No man ever lost an election for the speech he didn’t make.
Nothing is often a good thing to do, and always a clever thing to say.”
So you want president Trump to ignore that at least 241,571,084 people or 74% of the population have received at least one dose. I think he is smart to not ignore that very large number, which is way more than 3 times his votes in either run.