Unsurprising. Another decade-old example: in the pre-iPhone/pre-Android era, when Google Maps was available on BlackBerry, Google created a vast database that associated cellphone tower locations to addresses, on the (smart) assumption that the “from” location is usually where you are. They used this as a negotiating tactic for acquisitions they made in the space...
Pretty much every manufacturer has them - Apple was collecting/uploads this data (cell towers, wifis and your location) in iOS 4 as well: https://www.computerworld.com/article/2507791/iphone-secretl...