you're out of your skull if you really think that Haskell has a shot in this market. Node.js is popular because it's easy to learn. Haskell fails there. That's probably the most important factor for web frameworks. Remember the total fucking trainwreck that is Rails, and how popular that was (and still is)?
Technologies don't become popular on technical merits alone. Haskell fails at psychology.
I never said Haskell would become popular, I said it was the better alternative. I don't expect every web developer to drop what they're doing and pick up Haskell--but I do expect some of the best ones to do so :P. I honestly don't care that much about what most people are using anyhow.
You really shouldn't choose your technology just based on popularity. Sure, it's a metric. But I don't even think it's an important metric. So next time you start a company, think Haskell and ignore the peer pressure to choose something common :).
To me, popularity is not really a goal in and of itself. As long as something is the best to use, I'll use it even if it's not terribly widespread. Sure, popularity is nice and brings some benefits, but I'm never bound by it. After all, I use Linux too!
Technologies don't become popular on technical merits alone. Haskell fails at psychology.