As a 1A lawyer, Popehat knows exactly what degree of incitement to murder he can blast out without invoking any kind of liability or sanction. He can bore away termite-like at what remains of the guardrails that prevent us from descending into a society that resolves its political disputes through terroristic violence.
His tweets are 1.) an entirely earnest series of arguments of why we must do away with the norms against political murder, 2.) a series of explicit references to who can and, indeed, must be killed to prevent the mass death of innocents, 3.) urgent arguments declaring that continued inaction is complicity in mass death.
The Popehat trajectory has been something to watch