But your Facebook, Twitter, Tinder and Google Maps apps already have access to that location data. To be honest of all the aforementioned I think Pokemon Go is the less likely to use that information for evil.
I don't disagree, perhaps Pokemon, by virtue of its active engagement while you are using it, provides higher density data. The social networking and mapping services really only note your location when you generate content or seek an address. Waze however would be a good example of something collecting location data all the time and potentially creating records of it upstream.
True, but they don't rely on location to use the app. P-GO does require location, or app does not work.