Unfortunately, Relay is significantly further from "just working" with push and write-once-run-everywhere-including-your-database query language, than Meteor is from "just working" with React. If you want a realtime immediate-mode-rendered web application without writing tons of boilerplate for data handling, and duplicating business logic in your server (i.e. GraphQL implementation) and client, Meteor+React has the edge today. You're right, though, that frameworks built on Relay+React will eventually catch up. I'm also looking forward to that day.