For general use-cases, I doubt the performance benefit matters as much as engineers claim that it does. But there are more specific use-cases where it would in

For general use-cases, I doubt the performance benefit matters as much as engineers claim that it does. But there are more specific use-cases where it would indeed matter. Hand-held devices, high calculation loads, etc. Even Dan Abramov's popular talk on React Suspense shows that even the newest versions of React begin the chugg under the influence of an extreme performance situation.