1,2) Yes, agreed.

3) You're totally right: we're concerned about this and have been thinking about it a lot. Obviously, vendor lock-in is a disadvantage for us because it will hurt adoption, so we'd definitely prefer this wasn't the case.

4) Bear in mind that the editor only targets Dark, including our infrastructure component, APIs, and language. So this is substantially less work than say, building vim or Atom.

5) We're targeting way way easier than that. Literally you should be able to call an API in one line (including all the retry logic, backoffs, rate limiting, auth, etc).