Aircraft and vehicle rotating beacons should actually rotate

Hi.
If the beacons on aircraft or ground vehicles are rotary beacons, they should really “rotate”.

Also, here is something I really wonder about: You can see the reflections of the rotary beacon on the surface of aircraft, buildings and the vehicles. But the beacon, itself, is dark! How does this work?

If I switch a torch off, it is dark and with no reflections. When I switch it on, then the torch itself is the brightest item and I can see reflections. So please make the beacons rotary and light (you can use the same effect for lighthouses at the coast.

Best Regards and thanks for a feedback
Andreas Hebestedt
from Germany