He did, indeed, as shown by the
front page of the RPC Authority.
Most notably,
the ever-popular Hateful Star has been ported over.
Someone previously mentioned the flying cows with huge horns,
which was also ported over.
Personally, I'm really proud to see such a prolific author abandoning a community that's turned to dogshit and instead helping to build something much, much better. I'm hoping to see more defections in the future, particularly since they get a lot of amusing comments.
Choice quotes from the aforementioned Reddit thread;
This is just a taste of a far more extensive argument on Creative Commons, moral high ground and canon. (Though, it does show how potential effects of the culture fracturing apart.)
Schadenfreude. This is far too much to expect from SJWs, but I'd like at least some of them to do some self-reflection about what caused this and not come to the conclusion of "mad 4chan users".
There's more, I recommend checking out the thread for yourself if the whole situation interests you. (I should also mention,
Von Pincier's user page states he's an admin of the Authority, no less.)