And based on what the court ruled they probably legally could just ignore the court and congress.

That's nonsense. You should read the ruling [1]. The summary is very readable. For a president to ignore the court and "dare to act" is what dictatorships do, and millions of people die in those cases.

[1] https://www.supremecourt.gov/opinions/23pdf/23-939_e2pg.pdf

> Perhaps future administrations should simply ignore them and dare them to act.

well.. be careful for what you wish for but i see your point. What's the supreme court going to do? Order your arrest by the FBI? Seems like the FBI would go tell them to pound sand.