The Court has purported to strip us of all legal recourse for crimes committed by the most powerful person in the nation. Each and every one of us is now, effectively, at the mercy of an autocrat, who could order our death if he simply made the pretense of connecting it to his official duties.
Ironically, it probably puts the president in more danger.
Liberalism (classical, neo, or social) relies on equal footing under the law to prevent the upheaval of coups, assassinations, wars. Throw out the bedrock and the house collapses.
two things:
1. someone much more dangerous and capable that djt will campaign on execution for anyone who even looks at a cop.
2. The conversation will not be 'why is donald trump killing political enemies', but 'why didnt joe brandon stop him?'.