I am ignorant of the rules applying to apps with payments in the apple app store. Is it true retailers do not have to pay a percentage to Apple when people pay

I am ignorant of the rules applying to apps with payments in the apple app store. Is it true retailers do not have to pay a percentage to Apple when people pay to reload cards through the app? https://twitter.com/ballmatthew/status/1293893660493455360 https://twitter.com/ballmatthew/status/1293893660493455360 "Wow. Epic outright promoting direct in-app payment around iOS store but in iOS apps And users collect 100% of the savings. No monetary benefit to Epic. Note: McDonalds, Starbucks, et al are 'allowed' to do this today - but not gaming/media cos"