[ttfkam]

Apparently you've never heard of event delegation, which has been around for at least twenty years? (I could swear I was using it on IE6, but I might be misremembering.) At any rate, the plain JS way of handling 50,000+ HTML buttons efficiently is a long-solved problem.

https://javascript.info/event-delegation

[Throwaway23459]

You appear to be reading more into my post then I intended. The point I was illustrating is that there is no cruft in React.

Try and keep your posts factual.