That’s right, it’s not, however he can be fired or otherwise disciplined for such, and if incompetence is deemed to have occurred here, he should be.
That being said, her action at the end cannot be ignored.
We're still not privy to the reasons for the mud-wrestling (other than the official version).
Perhaps the mud-wrestling precipitated her action at the end.
She didn't just give the guy the bum's rush when he came out onto the floor.
And she wasn't at all interested in the other two. As a matter of fact, the one guy was right next to her (heck, it looks like he had his hand on her arm) when she went after the original guy, who was farther away.