They also come with many restrictions and rules on correct and efficient usage, not all of them checked by ESLint, that make the learning curve a bit brutal. B

They also come with many restrictions and rules on correct and efficient usage, not all of them checked by ESLint, that make the learning curve a bit brutal. But yes, insanely useful once you get the hang of them, they enable forms of abstraction and composability that you'll sorely miss when working in other UI frameworks.