[Grant Afseth] “So let’s say you had an innocent fire [someone] shirt, if security thinks they could lead to someone reacting violently or belligerently, they can take action." - Mark Cuban in response to fans getting tossed.
Other quotes
There is a lot of hell you can raise without violating the specific code as written. The discretion is always to make sure the fans are safe. And they get to enjoy the game.
We have asked people to turn a jersey of the other team inside out or give them a replacement shirt or whatever because we thought they could be in a difficult position because of it.
We don’t allow political signs either there have always been limits. Does anyone really think we should just ignore the possibility that something could happen or fans might not be able to enjoy the game simply because it isn’t a literal violation of the code?”
His reasoning for saying "Shut up and sit down."
Fans were booing during crunch time while we had the ball and while we were shooting [free throws]. I wanted to see why.
So I looked where they were looking to see why they were booing. When the guy (it was just one) saw me, he started screaming at me. I had no idea what he said, but he was obviously mad. He was at least 25 rows away. He couldn’t hear anything I said. But it was clear what I was saying.
I didn't care what he was saying. He was saying it the whole game. I cared that fans were booing him while we had the ball in crunch time or were shooting [free throws]—the time when they should be silent or cheering for the Mavs. That's why I was pointing to try to get him to sit down so the booing at him would stop. That was it. The whole thing was less than a single possession.