> Web components are low-level APIs and just don't have the ergonomics of frameworks without a library to help. For a few elements built by a few true believers, this is ok, but when you scale it out to every component in a complex app with company-wide teams you need the ergonomics and consistency-setting of a declarative and reactive API.

GitHub did have their own declarative semi-reactice webcomponent framework. It's pretty nice!

https://github.github.io/catalyst/

It not at all coincidentally bears some resemblance to the (thinner, simpler) Invoker Commands API that has shipped in HTML (they share a main author):

https://open-ui.org/components/invokers.explainer/