TLDR: Fuck the ACLU, I'm done with them
You have the right to yell FIRE in a crowded theater. But there are reasons people don't do that, and as a private venue which might like their other patrons to survive and return, the theater has a right to kick you out.
You have the right to yell FIRE in a crowded theater but it takes on a different dimension when there are armed people blocking the exit.
You have the right to yell FIRE in a crowded theater but it's a particularly vile double standard when there are armed people blocking the exit, and the theater management has repeatedly stepped in to let you stay while they kick kids out for throwing popcorn. Heck if my crappy analogy is about Twitter, while they kick kids out for mentioning popcorn.
You have the right to yell FIRE in a crowded theater, but when I argue for your right to do so despite all the other factors, and I myself am comfortably watching from the balcony or a different theater, that's me being a willfully blind privileged accessory, not me being some brilliant champion of free speech.