As already pointed out, you severely underestimate the value of winning the hearts of IT. If you are an IT guy at some company, and they want an internal chat a

As already pointed out, you severely underestimate the value of winning the hearts of IT. If you are an IT guy at some company, and they want an internal chat app, they are going to ask you. Even if what you are saying is true, you've missed an all-important middle step. They won the hearts of the nerds. The nerds wrote blog posts, subscribed to their blog. They got picked up by the nerd media outlets. This turned into actual media attention. Their page rank is high. They have numerous "real media" write ups. They have their own wikipedia page. To your average "boss", they are "legit".