I think it’s easier to consider when you look at the frameworks that provide React + some other features. Of course you could swap React with something else, or

I think it’s easier to consider when you look at the frameworks that provide React + some other features. Of course you could swap React with something else, or write your own rendering + state management. I think it’s similar to how Java web servers often use the library Netty under the hood. Why re-solve a problem?