Apparently, Biden thinks he can.
The Supreme Court used to have a significant check: the knowledge that they had no integral enforcement powers, and needed for everyone else to agree that their decisions were wise and in keeping with the Constitution.
Andrew Jackson famously demonstrated that when the Supreme Court ordered him to perform an action, and he replied "Justice Marshall has made his decision. Now let him enforce it". And Jackson could fire and replace any official who disagreed with him.
What changed since then? Civil Service laws allow bureaucrats to ignore presidential orders in favor of Supreme Court orders without fear of being fired.