"Set an uneasy precedent?" Well, if any future president tried to get his vice-president to overturn the result of a properly conducted and deemed fair election that future president surely should face impeachment, and be prosecuted too. Surely. Where is the "uneasy" in that.
Bit more
"Legal experts have said a Justice Department prosecution of Trump over the riot could set an uneasy precedent in which an administration of one party could more routinely go after the former president of another.
“We will follow the facts wherever they lead,” Garland said in his speech at Harvard University’s commencement ceremony last month.
A federal judge in California said in a March ruling in a civil case that Trump “more likely than not” committed federal crimes in seeking to obstruct the congressional count of the Electoral College ballots on Jan. 6, 2021. The judge cited two statutes: obstruction of an official proceeding, and conspiracy to defraud the United States. Trump has denied all wrongdoing.