The Trump campaign aims to use today's shooting as a sort of Reichstag fire to incite his supporters to step up street violence while calling for more state repression targeting his enemies of choice.
The Biden campaign has already paused all outbound communications and withdrawn their television advertisements, ceding the entire field of narrative to Donald Trump, who will have no compunction about using his status as a victim to advance his efforts to victimize others.
One of the classic mechanics of totalitarianism is that protecting the safety of the leader becomes a justification for violence against large swathes of the population.
As centrists join the far right in paving the way for totalitarian rule under Trump, we have to organize to defend our communities. If you have been in denial about the challenges ahead of us, this should be a wake-up call to find each other and prepare for them.
You wrote "or" but really it's "and". Anyone not like them is the enemy in their eyes.