When I initially saw it I thought it was a legitimate catch and touchdown, even though the receiver allowed the ball to touch the ground, because at first blush it looked like he had control according to the rules. On the very first replay it was clear that his left hand came off the ball AND it moved around AND it hit the ground before he reestablished control. He did not complete the catch. I said so right after seeing that replay, and the commentators also immediately backtracked upon seeing the replay. No catch. No touchdown.
The referees cannot afford to get it wrong or display bias. They don't get invited back next season if they do that. And the most accurate refs are chosen for the playoffs, too, which is a desirable gig.
If you want to keep on arguing this, argue with yourself.
“On the very first replay it was clear that his left hand came off the ball AND it moved around AND it hit the ground before he reestablished control”
Actually, the receiver had his fingers under the ball and there’s no concrete evidence that the ball ever touched the ground, the replay official simply took a guess, or just ruled it the way he wanted to rule it. Figured I would mention that since you insisted on evidence with Cooks.