There was an episode of This Week in Startups with DHH as a guest where a Shark Tank caller pitched his web-based IDE. I was surprised to see both Calacanis and

There was an episode of This Week in Startups with DHH as a guest where a Shark Tank caller pitched his web-based IDE. I was surprised to see both Calacanis and Hansson shit all over the idea. For the reasons you mention, it's a great idea. Off topic - it's really interesting to observe people making poor judgments when they're blinded by their own success.