No, it's a guy in Florida who went through and parked a bunch of domains with the same pattern. Maybe because he believed in the cause, and maybe because he wanted to make a few quick bucks.
"Astroturfing" would be when paid shills or robots spam FCC comment boards. It's not astroturfing when thousands of genuine supporters of a cause show up at a protest, whether or not there is coordination (surprise, all protests need coordination).
Trying to turn this into a sinister conspiracy -- and not genuine discontent -- is a cheap mental shortcut which lets you discount that a lot of people feel differently than you.