As one of the people who actually pays Google for services, it would be nice to be able to access their latest and greatest technologies.
Snowulf has a pretty good description of the problem on his blog.
this page implies that there are 30 people per GA account, on average.
I'm the only person on my domain, but I have 20 or so email addresses set up. If they're counting me and others like me in that statistic, most "businesses" their referring to are probably individuals.