It's not React "minutiae". It's incredibly basic concepts, that if you don't know, you cannot in good faith say you know react.

It's like not knowing how to write a for loop or how to access an object's property in JavaScript.

I remember one of the first technical interviews I conducted about 15 years ago, I asked the candidate the difference between == and ===. She had the same answer as gp, claiming the doesn't "memorize minutiae like that."