I know how React Native works and it doesn’t fix anything. For example, if the underlying toolkit punishes you for deep nesting - you’re still fucked. Google recommends to have 10 or less levels of nesting, which is bonkers to any web developer. There is similar advice for iOS, Mac and Windows (not sure about GTK and Qt, haven’t used them for over a decade). Each platform has its own solution, so you end up with custom code for each and at that point or doesn’t matter if you’re coding in C or JS.