There's a big difference between games where IAP is essentially used to enable a free demo, where you pay once to unlock full functionality, or where it's used

There's a big difference between games where IAP is essentially used to enable a free demo, where you pay once to unlock full functionality, or where it's used to buy cosmetics; and cases where someone essentially designs a fun, well-balanced game and then deliberately breaks it to be increasingly slow and unsatisfying, requiring you to pay continuously to get that initial fun back.