They were literally fined for this. If you had taken a fraction of the time to search that you did writing the response, you'd have found it.
Beyond that, instead of slowing the phone down, they could just make the battery replaceable. And yes, android phones have largely moved away from replaceable batteries as well, but that doesn't change anything.
It has some great upsides. But those upsides can be trained on specific information that they pay for instead of training AI on people's stuff who didn't consent.