Screenshots are an important part of skinning....always have been...always will be.
It's the way to show what is happening/can happen with a skin and/or skinnable proggy.
I do agree, however that 'practical use' would see somewhat fewer uploads per person per day....but there are others who see 'screenshots' as an end, not a means to an end.
All that is needed is that perhaps coding is put inplace that limits a single person's screenshots to just 1 or so...in the 'this just in' section, if at all...