The color, texture, and thermal properties of your paint make a difference and these differences vary over frequency. One can't assume that all black paints re-radiate. Metal treatments such as anodizing and plating, can make a big difference. Hot rodder's find this out the hard way. Chrome plating your engine is a great way to cook it.
Weight is a significant factor in aircraft.
I suspect that study prompted the Skunk Works to give it a try, despite the problems described by Ben Rich. Also studied was beryllium. Has beryllium been used to any great extent. Frozen chickens do get shot into aircraft bodies, windshields, engines etc. Enough with the chickens already.