You may notice, the web version of every app you just listed is strictly inferior to the native ones. It's simply a fact that PWA and Webapp features have been sidelined for the majority of the iPhone's lifespan. Even the good webapps can't achieve feature-parity with YouTube or Spotify installed natively.

> And no, I’m not trolling.

It's incredibly hard to tell. Who the fuck is listening to Spotify in mobile Safari?