Wow... well, I'm not here to defend RSC or React as the best solution ever, but some of the objections here are half-baked. React/RSC is not technically equivalent in benefit to having a server return html/css with a smattering of javascript. It's still one app, with more intelligent handling of the client/server boundary (compared to SSR/hydration). I'm all for reading more informed objections about how React may have designed themselves into a corner and what the exit path is, but going back to php isn't it.
HN is not the best place for informed front-end opinions these days. React is not even that hard of a thing to learn (hence why even non-devs pick up the basics in a bootcamp in a few weeks?). JSX is objectively superior to the templating systems of Django, PHP, and Rails. I'm sure half the half-baked objections aren't even benchmarking their projects with things like Lighthouse...