There’s a mutual benefit of using google products and services. You willingly give up certain information in exchange for world class services such as gmail and google maps. The model works and I trust google . (It’s in their interest after-all)
But Facebook. Forget it. Zero transparency from an organisation that, by stealth is invading your personal data in exchange for an increasingly sloppy service.
The recently mandated messenger app on iOS and particularly Android highlights the issue :