2/ The US revolution was basically predicated on two things:
1. No taxation without representation (something about Tea exports being taxed, but importing Tea from East India Company wasn’t)
2. Not being lorded over by a King ( see 1)
This ruling by the the Supreme Court flies in the face of this.
Even though the Magna Carter of 1215 was a document establishing rights of Barons (thus making the King somewhat accountable), it got the ball rolling against the “divine right of kings”