I think it's arguable that it's political persecution of the opposition when they are literally breaking into the White House and stabbing its guards with flags, but you do you.
No what I mean is, why is it that Democrats, those of the '68 Chicago riots, sit-ins, Occupy Wallstreet, etc., are the ones saying "Nobody is above the law"? That was always Republicans when I was a kid.
You can't blame Kagan or Sotomayor or Brown for persecuting the opposition, they haven't been a part of whatever you're talking about. They're just the ones saying that they don't want the president to be a king.
And this is good no matter what party you like best. There are three branches, they're supposed to be a check against each other so that no one branch one can attain supreme power. Congress has already abdicated so much power[1] [2] to the Executive branch that honestly the Judicial is our last chance to restore those checks. And they're failing.
And if you think political persecution of the opposition will be over once Trump is re-elected I recommend reading some of what he's said about exactly that topic, then think about how it relates to this Supreme Court decision.[3]