This is a "class gets punished because of a few bad students" kinda thing. Without this rule everyone would and did just play the game of using their iOS app to drive people to their website to sign up to avoid paying Apple.
Apple, who charges for exposure and access to their users, I think is reasonably annoyed that people are trying to get that for free.
Apple, who charges for exposure and access to their users, I think is reasonably annoyed that people are trying to get that for free.