The value of the location based tracking is overrated. Anyway, if you post an image to Facebook, Instagram or WhatsApp, the EXIF data has your location, or it can be solved from the content of the image.
With the exception of people who travel a lot, I really don't see why location, beyond what users enter into Facebook themself, would be particular useful. That seems to be the theme with Facebook, they collect a ton of information that isn't obviously useful. So what do Facebook know that the rest of us don't? Because the engineers at Facebook aren't stupid, they must have a reason for collecting all this stuff. Per…
Like, even if you only leave your home town once every two years, it might be worth more to facebook on that special occasion than the rest of the time.