Increasing number of players using 3rd party tools

[KageTokage]

When it interferes the gameplay of other players.

The hunt detecting programs spring to mind as something that's extremely disruptive but people either don't care or don't understand how it's causing problems.

It's also a good example of an app that's created an environment that practically forces people to rely on it either directly or indirectly to have a remotely fair chance in its associated gameplay system.