As the email states, this has been accepted as a Wayspot and added to the Wayfarer Database. Each game including Pokemon Go then have their own Proximity Rules to decide what will be used and as what.
Details for Pokemon Go can be read at https://community.wayfarer.scopely.com/t/why-an-accepted-wayspot-may-not-be-used-in-pokemon-go-s2-cells-and-pokemon-go