Speaking from my experience (a lot of DCS, 10s of hours in VTOL VR, couple hours in MSFS2020, all in VR), if you have HOTAS controllers, it feels natural to use them, without seeing them. Actually, my biggest grip with VTOL VR is the fact that the developer is hellbent on using vr controllers instead of joystick and throttle, which even with the best tracking (valve index) is miles away from precision of a good hotas