This is no longer possible on Android as well unless Google manually grants you this permission. You have to ask for it and explain why you need it when you publish the App, I wonder if they did that for TikTok.
If Google kicks Tiktok out of the app store then that's going to cost them sales. They need to maintain an attractive platform more than they need to uphold the terms of service.
Apple risked banning Fortnite because the company started going into a direction that could cost them billions. The choice to ban is really no more than a calculation based on the cost of a lawsuit plus the probability of losing multiplied by the loss of revenue of said loss.