Yes, there is obvious mischief at play. I know from reading about past events that there are lots of people, both for and against Trump that sign up and then do not show up. The sheer volume of over 100,000 signing up is news and attention-getting. If I were in Houston, I’d be going.
Lots and lots of people have been camping out since yesterday so they can be part of the 18,000 that gets into that venue!