it is only acceptable as an opt-in. Companies right and left try to collect as much data as possible, to a large extend not feature driven but marketing/sales d

it is only acceptable as an opt-in. Companies right and left try to collect as much data as possible, to a large extend not feature driven but marketing/sales driven, because having the users Email account, country, language etc. opens a sales channel. Oculus' Fb Account requiremet the most prominent example, but I remember also buying a GoPro Hero Black ~2016 that would require the companion App to create a GoPro account, just so you can change the settings of the camera (which some items were not changeable through the on-camera buttons).