That's not true: Their customers most definitely want to have contact outside of their platorm. Phone calls, googling, navigating, gaming, chat apps, social media, web browsing.

If it were true, you would be restricted to facetiming only with other apple users, only make phone calls to other Apple users, only visit 'the Apple internet' with their Safari browser. Whatsapp? Youtube? Facebook? Instagram? Epic? No no, those are not owned by Apple, and not part of their 'platform'.

Suddenly the 'customer relationship' isn't all that clear, hence the national watchdogs looking into anti-competitive behavior.