But according to the article:
Youre allowed to hold up signs on Disney rides cameras, cellphones, and other stuff like that. People have been doing it for years.
I dug a little further, not only had he been kicked out once before 6 weeks ago, but they gave him his pass back if he promised not to do it again, and he did it again.
Also. Walt Disney World rules prohibit unauthorized events, demonstrations or speeches, or the usage of any flag, banner or sign for commercial purposes, or to incite a crowd.
This guy is an agitator and got what he wanted, attention.