"AirBnB’s present dominance isn’t the product of real innovation. He and his friends stumbled upon an idea after listing their apartment on Craigslist for under-the-table sublease during a popular conference."

Does the author wish he thought of it first?

Unflaggers generally cannot win. The flagging kills vote momentum and when it reemerges unflagged, it's already dropped from the front page and from the new list, its only chances for revival.