And the amount of lock-in. If they ever decide to kick out your favorite OS or hardware vendor, well, good luck doing that if you can use the services on a website. They'd have to port all the web users over to mobile and know they'll lose at least some of those customers
Lyft app works on GrapheneOS.
Using websites instead of apps, while often more annoying, minimizes dramatically the privileges you provide to services.
And the amount of lock-in. If they ever decide to kick out your favorite OS or hardware vendor, well, good luck doing that if you can use the services on a website. They'd have to port all the web users over to mobile and know they'll lose at least some of those customers