WWW Inventor On Microsoft's Browser Tricks
Maybe I'm too thick to see it, but aren't things like Flash and Plug-ins a type of privilege? You don't have to have them but if you want and extra "treat" you can use them.
Denying someone view of a certain site because of the software they use is a virtual "civil-rights" movement waiting to happen.
Maybe I'm on my way to troll town but this how I see it.