I do not think the mode of access has any bearing on whether Apple may prohibit it on their operating system

There's no distribution here. It is accessing a web page.

TonyGiorgio

I wonder if Apple was ever sued for antitrust violations before

It seems to me that they could easily convince most judges to side with them. If a developer violates Apple's application policies Apple is under no obligation to let them use their platform to distribute noncompliant software

super_testnet

nostr

Progressive Web Apps - arguments against?

south_korea_ln

This goes into browser war territory and anti trust laws.

Also, not as easy. They remove apps at their permissioned store level. What you're talking about is end device website blocking. Other web browsers on Apple exists. 