Just to clarify, (and I know Skwuruhl knows this ):
For any game with 0 or below (and even some games with a range above 0) as a valid sensitivity, this doesn't work. Also, note that some games have different sensitivity scaling below/above a certain threshold, and sometimes they have multiple thresholds. In addition, some games are affected by aspect ratio and even resolution. They can even be affected by a different FOV value than the one configured.
And a few games actually have sensitivity with absolutely no mathematically logical scaling, like Rogue Company.
The whole sensitivity landscape is a mess, I think a lot of people imagine there's just a different "m_yaw" to the different games. But it's a lot more complicated than that.