Apple saw how damaging the iCloud privacy scandal and Cambridge Analytica were. They responded by fully hitching Apple’s brand to the privacy train.
If Apple were to be caught intentionally violating user privacy now, the damage to the brand would be immense.
Apple makes their money primarily by selling cool stuff to people. If they tarnish their brand by violating people’s privacy like Google or Meta, end users have far less incentive to buy Apple’s products.