Under the Trump admin, the US government has been circumventing the appellate courts by petition the Supreme Court as if everything is an "emergency." The ultra conservative judges have allowed this even though it goes against many decades of precedent.
Sotomayor spoke about it in a dissent because its so obviously bad for courts to be infected by politics, let alone the highest court in the land.
Trump lashed out
“This is a terrible thing to say,” Trump tweeted. “Trying to ‘shame’ some into voting her way? She never criticized Justice Ginsberg when she called me a ‘faker’. Both should recuse themselves on all Trump, or Trump related, matters!
You may recall the Chief Justice publicly stating that there are now "Obama Judges or Bush Judges
this is incredibly bad, but everything the guy does is incredibly bad so it hardly dents the news