Core still winning:
Poll
Question: Core Vs XT
XT - 124 (29.5%)
Core - 209 (49.8%)
IDK - 87 (20.7%)
This is what matters:
http://xtnodes.com/Look at the pie at the bottom right.
Agree, XT is going nowhere except down until it's doomed.
It moved the debate from "Bitcoin can't/won't scale... LN, Blockstream Sidechains are the solution." to "Max blocksize will increase soon, just not so dramatically." It also showed the Core project that their control is not divinely sanctioned and inalterable.
For those two reasons I would call it successful.