The entire concept of mitigating un-intended re-rendering by wrapping your bad abstractions in more abstractions is not a category of problem for Svelte devs nor is it inherent to the platform like some inevitably of scale.

React is bad because its foundation is a bad abstraction (v-dom) and it’s spent over decade pilling on more leaky abstractions every year, leading to where we are now — clamoring over a mountain of footguns and indirection.