This may just be me but i personally feel that the max sensitivity of 10 still feels sluggish to me on xbox for infinite. maybe something like a max of 20?
Something is wrong with camera/look speed, sometimes when i want to switch targets for example quickly turning right,
it will feel really slow/sluggish then what im guessing is the acceleration kicking in my aim starts to swing past them.
I have tried setting the acceleration to 1 but if you have 4ish sensitivity aswel then you have the problem of having a turning speed of a sloth which feels really really bad.