I like how the Rotolight rep tried to sound reasonable later, in the Facebook thread. Sorry, Rotolight, it's too late to play nice after you've smacked someone.
I vote with my wallet. Maybe someday the politicrats turn on their corporate masters and undo the DMCA, or at least crack down on fraudulent notices, but I'm not holding my breath. If you want things to change, you've got to take down the corporate interests who really control things.