Beyond the inflammatory headline, the author lost all credibility with "Craigslist is what it is because the site got lucky"
What Craigslist category is equivalently anticompetitive? Real estate? That's NAR. Rentals? Craigslist may have 50% of that market. Jobs? Craigslist trails all the major jobs sites.
You could build a better product right now and it wouldn't beat CL because the timing isn't right.