Because seeing tetracromaticaly would be awesome, even if it's only possible in contrived settings.
Do you expect that setup to feel much different than say, putting florescent and incandescent bulbs next to each other?
I think you need some special equipment to actually see tetrachromatically: http://en.wikipedia.org/wiki/Tetrachromacy#Possibility_of_human_tetrachromats
Here's the new thread for posting quotes, with the usual rules: