You know when you open QL and you aren't just feeling your mouse and feel like reseting your computer because something is off?

How can you guarantee this is the case, and not because you haven't played in a week and it feels off?

Measuring cm/360 may not be consistent if the problem is in the accel.

You can't be sure if it's placebo or not, you can't trust SyncDerperror software in being consistent whatsoever.