Native stack is tailored for native devices, using web for that is just not as reliable/maintainable/cost efficient in my opinion. Sure, you can have less devs to support both platforms, but as soon as you need some hardware functionalities, you're not gonna have much of an options, besides what web tech libs you have in the store.
This is true, if it's basic app I'd certainly recommend web technology. But it's also true that clients many times don't know what they want and where they're heading. So, before we decide on tech, I do analyze with my clients what are their plans for the future with the app. It does pan out many of them would like to have notifications, storage, camera, offline..