hydrogen VS vite-material-ui

This acquisition is very much in the context of https://hydrogen.shopify.dev/roadmap/#first-quarter and https://github.com/Shopify/hydrogen - Shopify very much wants to move to the modern era.

And to address your point, it's not gaslighting to say that React enables interactions that would be essentially impossible if restricted to server-side templating. But there's certainly some degree to which trendiness and a desire to attract developers into their ecosystem is driving this as well.

I would say its main selling point is obviously the integration with Shopify. It comes with hooks, components and types to make it really easy to interact with the Shopify API. (They also use an XState state machine for the cart.)

Shopify's got their own headless framework for storefronts built on React called Hydrogen. Just recently came out of beta. Has a built in React hook for GraphQL queries to the storefront.

All the activity around V8 Isolates + "workers" is so cool-- exceptional performance, don't need to think about regions, and CDN-like benefits

Shopify's new store-builder thinks this way too: https://github.com/Shopify/hydrogen

Not sure what documentation you're looking at, because we have a ton here: https://shopify.dev/custom-storefronts/hydrogen

Full Docs and Image Source

You can configure a checker as a plugin. I am using it in my example repo for usage with MUI

Here is an example template I made for MUI, but it has the checker running along with ESLint just fine.