Is there any chance he's doing a YouTube prank? Did he look like he was looking for a reaction?
Why isn't the librarian doing her job? You shouldn't be forced to enforce the rules, that's her job.
On a related note, I don't get people who do the yelling into the speakerphone bit. And then they have the gall to get upset if people listen in.
I'm guessing they were pushing for some kind of doxxing from U-Haul and some legislation about publicizing information about customers using the equipment during "hate crimes"