I guess the atmosphere would be too tenuous to try to blow dust away with it (max pressure should be a bit more than Ingenuity's mass/rotor surface, so not much

I guess the atmosphere would be too tenuous to try to blow dust away with it (max pressure should be a bit more than Ingenuity's mass/rotor surface, so not much). How long before a commercial autonomous helicopter-based solar panel dusting service on Mars, I wonder?