It is too early to know which guys will be at the top of class next year, there are always late bloomers and a lot of things can change in 14 Months. There is also the prospect of players returning to school. If Porter returns to school, he instantly becomes the top guy again. Things like that will make the Kings pick more valuable. Plus, even if our preferred player isn't on board, another team may be willing to make a move.
There is also the overrating of drafts. Underrating drafts also happens. The people reporting are always good indicators of strength.