The 14th Amendment says if you were involved in an insurrection you can't be president. SCOTUS said they won't allow anyone to enforce that because of reasons they made up.
The Constitution doesn't say the president is immune from criminal law. SCOTUS decided he is because of reasons they made up.
At a minimum it seems like Biden should revisit every decision on e.g. loan forgiveness that any judge has blocked, and just say, nice judgement you made there but this is an official act so I can do it anyway.