It's clear that they have no intention of backing down or addressing user concerns. The only question now is, what site will we all move to after Beta stops being optional?
I'm doing the Slashcott, too, but I don't have any delusions that it'll get them to adopt the only course of action that would be acceptable: abandon the Beta site, keep "classic" Slashdot, issue an apology, and never try this shit again.
Dice doesn't care. They bought Slashdot for the name and the traffic. They'll end up ruining the former and driving away the latter.