It's more than just Apple Pay the CFPB wants oversight over, it's Apple Wallet as that's where you find everything (Apple Pay, Apple Savings, Apple Card, Apple Card Monthly Installment, Apple Pay Later, etc.)
The CFPB
proposal says
"digital wallets and payment apps"
The Consumer Financial Protection Bureau (CFPB) is proposing to supervise larger nonbank companies that offer services like digital wallets and payment apps. Driven largely by Big Tech and other large technology firms, digital payment apps and wallets continue to grow in popularity, but many of the companies are not subject to CFPB supervisory examinations