The number of human man hours invested into that guidance number is vast. As accurate as that number is (and for what it is), people are going to make and lose a lot of money even still. Basically I’m saying — check your amazement because it’s amazement all the way down.

"check your amazement because it’s amazement all the way down"

I like that sentence a lot.

Well, Apple provides guidance to investors, so it's not like they are starting from scratch. The rest is public markets doing exactly what they are supposed to do.

Public company estimates are usually this good.

This is a very big company with products that have a well understood track record. You could probably be pretty accurate if you just expected it to be the same as this quarter last year.