Well, with F# they did change some significant things e.g. type parameter syntax. Anyway, the point of Reason is that some people just won't even look at OCaml

Well, with F# they did change some significant things e.g. type parameter syntax. Anyway, the point of Reason is that some people just won't even look at OCaml syntax. They just won't, that's the way it is. Reason allows us to onboard those people now, get them to see the benefits of the language, and perhaps later even come around to preferring the OCaml syntax.