PSA - Apex aim is extremely inconsistent because of its game engine/code
Many engine variables affect rendering and hence effective sensitivity of your aim.
E.g., even with dvs_enable 0, the following values make a huge difference in the rate of change of your effective sens AND place a limit on the effective range of motion per mouse movement:
dvs_gpuframetime_min
dvs_gpuframetime_max
All your different mouse sensitivity values affect each other....
E.g., changing hipfire sens (mouse_sensitivity) will affect your 1x ADS sens (mouse_zoomed_sensitivity_scalar_0), 2x sens (mouse_zoomed_sensitivity_scalar_1), and up.
@EA_David This game would be way better if the code can be improved so that the player's aim is actually consistent (even different maps have different effective sens with the same settings). Sensitivity values need to be independent from each other too...