That’s true, but you can say the same thing about reactivity: not having it is always faster than having it. These are not zero-cost abstractions; we use them b

That’s true, but you can say the same thing about reactivity: not having it is always faster than having it. These are not zero-cost abstractions; we use them because the alternative tends to be less performant at scale, but technically you can always beat them by going in and manually updating the DOM yourself.