Oh, ok, now I get why they’re bringing “more” SFP back AND why they nixed the 2% fee for it 
For example, according to the FTC, Amazon has harmed competition by requiring sellers on its platform to purchase Amazon’s in-house logistics services in order to secure the best seller benefits, referred to as “Prime” eligibility.
https://www.cnn.com/2023/09/26/tech/ftc-sues-amazon-antitrust-monopoly-case/index.html