Just because you can do something doesn't mean you should have done it. And sometimes that's only found out in hindsight.
Indeed, that's true. I just think we have more to gain by talking about what we're doing and seeing what the community thinks about some of our approaches rather than keeping it all private for the next year.
As mentioned in the post, a small piece of our GraphQL schema is already in Go running in production. This blog post isn't just "we're thinking of doing this thing". It's "we've already done a bunch of research, thinking, _and_ built some of it."