If you give a company your information in one department, another department will invariably use it. See also: Facebook using the phone number you put in for 2FA for targeted marketing [1].
[1] https://techcrunch.com/2018/09/27/yes-facebook-is-using-your...
> The old "don't be evil" Google wouldn't have done this.
What's the "old" Google? You mean like Google Latitude, circa 2009? [2] [3]
[2] https://www.computerworld.com/article/2530951/privacy-group-...
[3] https://www.nytimes.com/2011/03/22/technology/22privacy.html