Yeah, it reads like self-hosted is their focus. Make sense too.
If Google offered a WP hosting solution (a la WP Engine) on the Google Cloud, I'd be very very interested. I don't think Google will do it anytime soon though.
Interesting. I like the simple design/interface you've put on top of the various ML engines, including how to tweak them. Overall approach reminds me a bit of Digital Ocean's friendly UI for servers/hosting.
Haven't tried the collab features yet.