You're only young once, but you can be immature forever.
imho the worst thing you can do is worry about what other people think of your antics [provided you aren't actually hurting anyone else]
https://en.wikipedia.org/wiki/Wollman_Rink
Koch got the best deal he could. He's not my favorite politician but he had plenty of smarts.
I know you're being sarcastic, but I'd point out that it wouldn't be the military handling crowd control; it would be the DC police.
DC and Trump have a long and unhappy history.
First article in search.
I'm pretty sure the cops would decide that they didn't want to interfere with a legitimate protest.
In Mafia parlance it's called a 'bust out.'
The Mafia manages to get control of a legitimate business with a reasonable line of credit. Say a restaurant. Now they order enough equipment for a dozen places, then resell to their friends at a discount. Naturally the Mafia isn't going to pay any of the creditors. The crooks get all the money and leave the actual owners with the debt.
What's wrong with semaphore?
If you can see each other, just use flags to let each other know what's going on.
https://en.wikipedia.org/wiki/Semaphore