Watch the video here again and pay attention to what happens just after the 0:20 mark:
https://www.youtube.com/watch?v=dwkpbbM7NRkPrior to that you have a 3-7 team, again functioning squarely at the level of failure overall, acting like silly clowns after a single win. At the 0:20 mark you essentially have McDaniel's endorsement of it, where he gestures "in approval" if you will of what's going on there.
Imagine Don Shula coaching a team with a 3-7 record and watching that nonsense ensue in the locker room after a win. Do you think he'd approve of it and endorse it? Do you think
any of the most successful coaches in the history of the game would?
Your team is 3-7 and acting like silly ass clowns after a single win. And you're all about it? That could have -- and
should have -- easily been a reality check by the head coach, where he stops and says something along the lines of, "what are you all doing? -- we're 3-7! -- we got a long way to go and a whole lot of work to do before we can celebrate like this."
You don't have to be an asshole to get serious and get the appropriate message across in that context. But by the same token you also don't have to stand there and essentially approve of clownish nonsense, without giving the team the appropriate reality check.
This is why this team will always have a low ceiling on success as long as McDaniel is its coach. He simply cannot command and lead the team as a bona fide leader of men would. Instead he's simply the "lead clown," and the team follows his lead and becomes clowns as well.
Then they look to him for approval and he gives it to them! Hooray -- we're all part of a circus here. Let's celebrate! LOL.