Well, if in the top 10 there were only a couple bloggers, that would be a reasonable statement, but the top 9 were all bloggers. That doesn't sound like random chance to me.
Well, if there were a million bloggers posting random predictions and only one analyst, it would seem, intuitively, that the top nine would likely all be bloggers. It all depends on the number of bloggers that made predictions but aren't in your list. Is it zero? A trillion? Given that most bloggers tend to advertise their successes but not their failures, how can you get a definitive number?
Bloggers outnumber AAPL sell-side coverage by infinity to 48.