Why the hyperbole? (Score 0, Flamebait)

"I mean, just see Mizon's Light Pollution [amazon.com] about not only how it has ruined astronomy"

WHAT WHAT WHAT!!!

http://en.wikipedia.org/wiki/Hubble_space_telescope
http://en.wikipedia.org/wiki/Arecibo_Observatory
http://en.wikipedia.org/wiki/Keck_telescopes
http://en.wikipedia.org/wiki/South_African_Astronomical_Observatory
http://en.wikipedia.org/wiki/Paranal_Observatory
http://en.wikipedia.org/wiki/RATAN-600
http://en.wikipedia.org/wiki/Green_Bank_Telescope

How come no one told these guys astronomy was "ruined"?

Light pollution makes things harder, but nothing is "ruined" as you cliam. I only bring this up because seeing rampant hyperbole like your modded up pisses me off and requires an honest, non-hyperbolic refutation.