For what we know, the suspect could even be a supporter of Trump that… Thought on making a martyr. Or, missed deliberately for this very outcome. Or, was a religious fanatic and wanted the best for Trump, sending him to heaven.
My point is, that we shouldn’t get speculative, and more importantly, we shouldn’t reinforce our own worldviews and biases on the basis of such untestable hypotheses.
All the third scenarios in my post sound absurd. Yet, they are equally probable to any other theories.
And indeed, based on evidence (the attempt was done by a kid with an AR-15) we should rethink policies (e.g. gun ownership)