The last major holdouts in the protest against Reddit’s API pricing relented, abandoning the so-called “John Oliver rules” which only allowed posts featuring the TV host. It's the official end of the battle. The Reddit protest is over, and Reddit won.
Digg still exists, so does MySpace, as does tumblr and many other irrelevant social media platforms.
They also “seemed fine” at first, until their slow decline into obscurity and irrelevance.