I don't think it's the code that makes WordPress valuable. I've been learning WordPress recently and haven't been too impressed with the internals. WordPress is valuable because of the ecosystem and support. I have no doubt that WordPress will still be a thing in ten years. What's the support plan for EmDash? I see commits are mostly from a single developer.
E: Oh, I think it's an April fools joke, I'm embarrassed.
E: Oh, I think it's an April fools joke, I'm embarrassed.
E2: Apparently not a joke.