These numbers are interesting, but the profile of a tech startup is very different from that of a typical "small business".

Accountants and manicurists and dentists and consultants run small businesses they start making money from a very early stage.

Tech startups have a much higher failure rate. The flip side is that these small businesses (accountants, gardeners etc.) don't have the same shot at massive scale/success that tech startups have. Andrew isn't talking about small businesses, his post is about tech startups