If all this learning is local to the device and not tied to an Apple ID can there be cross device support? And what happens when I get a new phone? Does the new phone have to relearn all this stuff or does it come over if I restore from iCloud? But I'm not sure how it would if it's all local to the device. Why is Apple so opposed to having this machine learning in the cloud?
My guess is that you can do a full device backup and the settings should be carried over when you restore over to a new device.
Apple seems quite dedicated to this new pro-privacy shift. The cynic in me thinks that Apple knows they are weakest in cloud and online services, so why not spin that into a benefit and get to knock Google while you are at it?
On the backup/new device thing...
Last night I did my usual iTunes backup. Installed iOS as a new device, then restored the iTunes backup.
All my health data and watch activity info was gone. I then learned that all that info is only backed up if you enable the option to encrypt backups... to be honest, not sure why I've never had that enabled anyway.
So I'm assuming that Proactive will be the same, backed up only if you have encrypted backups enabled in iTunes.
Saving point for me, was restoring from my last iCloud backup (2 days ago), which does retain heath info and watch activity info. It just takes so much longer to restore on a 4Mb connection..