A simple series of Hair-on-fire announcements will do the trick.
Even pro-Trump patriots will think twice or three times about attending.
Local officials may not “ban” the event outright, but the healthy patron verification screening process could be a real bitch
(There’s deep state slime at ALL levels of government)
First of all, Trump’s re-election does not depend upon huge rallies. And second, once the virus is gone, which it will be, rallies will be held again. You seem to have a very negative POV and over-estimating the bad guys’ powers.
Very informative article:
https://www.businessinsider.com/what-president-can-do-during-crisis-2018-5
6 unbelievable things the president can do during a crisis