I think the next big framework will build on top of the declarative jsx-style rendering from react, while also providing pure abstractions of the side-effecting browser APIs
This was the most infuriating part. He either doesn't understand what a hof is, is actively lying, or just hasn't even used typescript long enough to understand this is incorrect.
Yup! they can be tested separately and introduce a separation of concerns that is much better than a "simple" class that "just has everything in it". (Which usually leads to mounds of copy-paste code)
Do you mean like curried functions?