Why we shouldn't use a white/light text aganist a black/dark background

Color scheme for print, not necessarily for web, but even so:
http://www.transio.com/content/why-you-shouldnt-use-white-text-black-background

Readability and Usability:
http://www.456bereastreet.com/archive/200608/light_text_on_dark_background_vs_readability/

Reduce Eye Strain:
http://www.quickonlinetips.com/archives/2008/09/fix-light-text-on-dark-background/

Why light text on dark background is a bad idea?
http://blog.tatham.oddie.com.au/2008/10/13/why-light-text-on-dark-background-is-a-bad-idea/

When to use white text on a black background:
http://uxmovement.com/color/when-to-use-white-text-on-a-dark-background

楼主～～你听！读者那无声的抗议、网名那热诚的呼唤：不要再用黑底白字了啊～～
有人的眼睛要出问题了......