It's more like this: all the work that was previously accomplished just on desktop apps is moving to the web and all the various camps that previously lived in

It's more like this: all the work that was previously accomplished just on desktop apps is moving to the web and all the various camps that previously lived in their own language/framework silos are reinventing themselves in within the js ecosystem. If that happened in the historical silos, nobody would notice. But since it all happens on the common js substrate, we see the big mix.