"Albedo" sounds like visible light. That's fine for those guys. Then there's x-ray and above, and infrared- and radio- below. Doubt they'll be able to make those sats soak up all EM radiation. And a few thousand of them will also be bouncing ground-based signals back down in all directions ... forget about isolation from earth-based sigs in basins.

I don't recall any beforehand news of this being publicly discussed.