It's server-specific, there are many w/o the issue

Not sure but I think you can set yourself to a lower prestige, prestige up in menu (barracks) and use the option that resets the tokens from prestige awards

cg_fovmin 130

AWOG server works if anybody wanna play

In bo2 it depends on fov. The larger the difference between hipfire fov and ads fov, the lower the ads sens will be. so to increase it you would need to lower your fov and/or use guns with higher ads fov, like smgs (excluding peacekeeper) with ironsights.
It would be great if fovscale gets to work.

mcat115 do you play on 65 fov? in that case the fov difference is small and so will the sens difference be