I didn't see the game or the offsides that called back the final TD. A photo I saw clearly shows a Chief's player's foot over the line. That's offsides by the rules. So what are they crying about? It's not a new rule or a trick play. It's not a ref's error. It's just an overpaid crybaby who didn't get his way.

“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.