This is to be commended, though I wish the market itself would provide this value as an emergent feature as it does in some other areas (e. g. Leica cameras and

This is to be commended, though I wish the market itself would provide this value as an emergent feature as it does in some other areas (e. g. Leica cameras and lenses, hundreds of thousands of which are still being used after _decades_ - I'm not sure if it's true, but read somewhere that the used market for Leicas is several multiples of Leicas revenue on new stuff)