[adam_arthur]

Yes, the Web Components spec is incomplete and not adequate for real-world use currently.

But the end state will be as a compilation target, not as a development platform.

[troupo]

We're still at least 20 specs away from them being "adequately specced": https://w3c.github.io/webcomponents-cg/2022.html

And there are multiple other issues that make web components a very unattractive compilation target.