Why do people think FPS are better with Wiimote/Move?

[UltimateUnknown]

curl-6 said:
Don't hold your hand in midair, rest it on your leg. Steadiness = achieved.

I know what you are saying, in fact I do do that. But even then, I do have to move my hands around in some axis to point at the target and the sights just go all over the place while doing so.