The Team is just going through drills. There's no actual football happening. And Morris knew the purpose of that clip before he did it.
If you truly want to know what Morris is about, you have to look at his years before McVay hired him.
And, different people like different personalities. Staley seemed to be a more quiet reflective guy, that spoke in football-ese. Morris is a guy who is high energy, super out-going (like you know who).
I could care less about personalities; I care about results. And Morris could moon his players for all I care if that makes them play good football in good schemes.
We know this much: Morris has a deep bunch of very good players, 2 Superstars and one star. If they aren't very good, then he'll have to bear the responsibility. But, there's no reason to think he won't field a top 5 D. Especially if the O regains its mojo, and I suspect they'll be better than ever.