Apple’s App Store makes so much revenue (mainly through the slightly more legit scams like gacha games, but plenty through weekly subscriptions for outright scam apps too) that there are many incentives for that team to never clean this up.

It’s a huge driver of what Apple pushes as the future of the company: services. It has been this way for more than a decade now: "What the hell is this????Remember our talking about finding bad apps with low ratings? Remember our talk bout becoming the 'Nordstroms' of stores in quality of service?“ - Phil Schiller in 2012 (https://www.imore.com/hilarious-phil-schiller-email-reveals-...)