What sort of privacy guarantees come with a Google Device?
Source: Ran a Nexus 5 for a few years and found out about Google Location History after I traded it in for an iPhone.
http://www.iclarified.com/36198/how-to-view-the-location-his...
FWIW, you can disable location tracking on Android phones too.
And yeah, I've tried Replikant. Nice proof of concept, but not usable.
Not if you take photos and use iCloud.
Yes, you can back out of it, but it wouldn't typically be by accident.
(spoiler: there isn't any)