Shaddows - 4:29 pm on Aug 22, 2012 (gmt 0)
Because if a site has no visitors, as does EVERY new site initially, no new site would EVER get ranked. Bit of a CATCH 22 situation if what you say were to be true.
Only if assume Google to be the sole source of traffic. In which case, you're probably going to get yourself into trouble anyway.