I may not understand all the fine points here, but that’s politics with a fair measure of partisan conflict in the mix.
Fundamentally however, if the actions of Iran in the downing of the drone can objectively be determined to be an initiation of force against the United States, the proper response would be military retaliation with overwhelming force. Total destruction of this regime is several decades overdue.
The problem with Trump of course is that he is incapable of acting on a rights-protecting principle.