Ppl seem to forget it is not exactly a democracy within a company.
A company can fire you where it see fit so as long its within the legal bounds.
Of course, you can fight it like he’s doing but when you’re fighting against a huge company like Google, you will most likely end up wasting time and money unless it’s truly a no-contest which this doesn’t seem to fit the bill.
Perhaps he had a Jerry Maguire moment? Who really knows. But like the character, termination was inevitable. He should move on and perhaps find his own Zellweger and maybe create an app that will show him the money.