Can't speak for GP, but jumped over to Node myself near that time... spent a few years migrating .Net apps, and today mostly work in Node. I've enjoyed it a lot, despite some recent pain (going from Webpack 1 and nyc/mocha/chai to Webpack 2 and Jest) it's still been nicer than when I have to fire up VS (in a VM even) to help with a bug at work.

I will say the .net core stuff is looking really nice to work with though.