When using either the joystick or hand-tracking (finger-gun) methods to 'swivel'/'rotate'/'yaw' around one's current position, the change in rotations are quite large, in my opinion.

Personally, I would prefer if the change in rotations could be smaller.

With that being said, different users have different preferences so to satisfy that, a potential solution could be a slider in the user settings that determines how large of an angle is used when 'swiveling'/'rotating'.