The added value is crossplatform compatibility with SSR, and HMR, all using Vite as the single bundler on all platforms.
They baked in their vxrn.dev project to get off of Metro and forked Expo Router to do that.
Since Expo Web has a large bundle size, requires NextJS for SSR, Solito for unified filesystem routing, and 2 bundlers: Metro as a bundler on RN plus a separate bundler like Webpack or whatnot for web.
Btw, here is a good React Native, Capacitor, NativeScript etc. overview:
https://magnemg.eu/the-different-tech-strategies-for-buildin...