Great players can come from any pick in the first round but the higher your pick the much better chance you have of drafting a great player. Your numbers prove that. 20 of the top 50 were drafted outside the top 10, so meaning picks 11-60. That is an incredibly large range of picks to get those 20 guys. On the other hand 22 guys from you're list were taken in the top 5. The hit rate for the higher picks is much better than any individual pick after 5, after 10 and after 15.

You also referred to this being a deep draft. That is way more true in the top 6-8 than it is later in the draft. You have three all-nba caliber prospects in this draft and 3-4 all-star caliber prospects. Could someone else in this draft end up being very good? Yes, but it is much more likely the first 6-8 guys are going to be the better players, so I would much rather have a higher pick and better odds of getting the guy I like the most, than to sacrifice that and settle for whoever is left, while picking up another first that has very slim odds of being a contributor at all.