Do I think that the best players were drafted, not necessarily. There are lots of other factors that go into drafting a player, as Big said, it's a **** shoot and sometimes there is no rhyme or reason.
FrankF, I do believe, posted this a while ago, good info. A must read for everyone.
http://www.probaseballtryouts.com/scouting.htm
We sometimes look at a player and think he is a wonderful prospect, but the professionals may not see it that way, or vice versa.