At my large corporation, we are required to use a centralized React library for internal apps. So it is not “react by default”, but instead “React is the only choice”. 100% agree that our path out is for the central library to be reimplemented as web components to open us up to using whatever framework we choose.

That's a very normal thing for a big shop --- if it wasn't React it would be something else --- so kind of tough to pin that constraint on React.

copilot can help with translation

"This folder contains React components. Create a new folder `components-vue`, and translate every component from React to Vue/Solid/Vanilla"

ymmv