[mrooney]

If you read the article you should know they fully support IE6 for their actual product and only block it on the engineering blog.

[mooism2]

I did, thanks. Their engineering blog seems important enough to them that they care how much traffic it gets from StumbleUpon. They are getting hurt and they are doing the blocking.

Imagine I said "Why Genius.com's Blog's Blocking of IE6 is Hurting Genius.com's Blog", if you like.