Gonna go with the idea that the long tail is really quite long and invisible here.

I imagine github as an iceburg. Sure, I see things like bootstrap with XXXk followers and jquery on there. Big projects! Big names! Big! Big! Big!

But what about what I don't see? How many thousands of users have private accounts? How many thousands of businesses have private github repos? I don't really know. It's a smart bet that every time somebody sees all the prestige of the big name projects, they think "Hmmm, this is really working for them; Could it work so well for me/my project/my startup/ my enterprise? I hope I can make this private."

I am just saying, sure there is a lot of shovel selling going on. But just because you can't see others digging, doesn't mean they aren't out there.

I think there's a pretty straight-forward reason for this. If you've worked as a software developer for 10 years, you know what business domain you know really well? Software development. That makes it a natural place to start in looking for ideas to build a business.

The companies that regularly get covered on hackernews, techcrunch, etc. are not the sum total of technology companies in the valley or in the world. I work at one of those companies that doesn't get covered by tech crunch and it's phenomenal. The vast majority of my coworkers have some sort of prior experience at big name firms. One colleague just paid for his sons college education and mortgage from his time at Splunk. We do exist.