Yes, I read your caveat, but the overall gist of your article is still that designers create billions of dollars of value. I just don't think there's enough evidence to warrant that implication - particularly when there are other startups which have butt-ugly, hard-to-use websites and make even more money.
I used the word "with" and didn't say they created it by themselves, obviously it takes a lot of people... Part of the gist is encouraging designers to believe they can and therefore try, hopefully in collaboration, especially since talent is getting stretched in our bubble here
