Define "doesn't depend on" because I could easily make the argument that Messenger's chat does require tracking location for example to increase security and to

Define "doesn't depend on" because I could easily make the argument that Messenger's chat does require tracking location for example to increase security and to fight spam. By not opting in to tracking of location, you degrading the quality of the service and affecting other people. i.e. Without this tracking, the quality of Messenger is affected, and therefore, by definition, the service cannot be provided without it.