I think it's a great decision for Apple to make sure developers use this functionality. Apple is still very much a hardware company. By pushing the hardware to it's limits, Apple makes sure you'll want to upgrade to the latest and greatest. Also, by doing the heavy lifting locally instead of in the cloud, Apple saves money on servers and infrastructure. And to top it off, they can make some privacy claims.
I think it's a great decision for Apple to make sure developers use this functionality. Apple is still very much a hardware company. By pushing the hardware to it's limits, Apple makes sure you'll want to upgrade to the latest and greatest. Also, by doing the heavy lifting locally instead of in the cloud, Apple saves money on servers and infrastructure. And to top it off, they can make some privacy claims.