"Even though everyone knew the rules of the game up front, Trump is not actually the legitimate president because his popular vote tally was lower",
"Trump is not a legitimate president because the Russians may have been involved in releasing some 'routine, not interesting' emails",
"Even though the U.S. has interfered in over 80 elections in the last 20 years (including Russia in 1996), and even though a significant percentage of the mainstream media is foreign owned, and even though there is significant foreign money and foreign influence involved in every election, this election is not legitimate because Russia may have helped release some emails",
"Enforcing existing immigration laws (and shoring up abused immigration laws) to protect American jobs and wages is racist"
----
I could go on for days, but the point is that people in general will say and believe a lot of stupid stuff if it helps their team. Pretending only people on the other team do it is pretty out there.