Best case scenario, as of right now, is for DHAM to be drafted at the end of the 1st or in the 2nd. Things will change when the actual combine happens. Klay Thompson was considered a 2nd rounder this time of year in all the mocks. Might have been solely for the weed arrest but regardless... 2nd round projection. Combine hit, everyone projected him in the mid teens of the 1st round. These early mocks are for the most part worthless after the top 8 to 10. Yet most on here treat them like fact.
Since you think he's a year away from being a top 5 pick (really the only scenario where he's sacrificing TENS of millions of dollars) you must believe DHam will develop into a star player. If you were in his shoes what would you rather do:
1. Be drafted at the end of the 1st round, make a little more than a mil a year and be under club control for FIVE years.
2. Be a second rounder, make about a half a mil a year and be under club control for TWO years. Since you think he's a year away from being a star, Europe doesn't even enter the equation. This means you hit free agency very early. Examples: Arenas, Gilbert. Boozer, Carlos.
3. Stay in school and be broke
For me, it's be a toss up between 1 and 2. The guaranteed money in the first scenario is nice but you can hit the mother load quicker if you are a successful 2nd round pick. Either way you can't lose. I know for damn sure I or you wouldn't stay in school.