I wouldn't worry about that. Who knows what algorithm they are using, but they rate Zach Collins as a "great prospect", one of the few they rate that highly outside of the top 4 picks.
Here's their subjevtive ratings for all of the 1st round picks:
1. Philadelphia 76ers — Markelle Fultz, Washington guard -
Great Prospect
2. Los Angeles Lakers — Lonzo Ball, UCLA guard -
Great Prospect
3. Boston Celtics — Jayson Tatum, Duke forward -
Great Prospect
4. Phoenix Suns — Josh Jackson, Kansas forward -
Great Prospect
5. Sacramento Kings — De’Aaron Fox, Kentucky point guard -
Good Prospect
6. Orlando Magic — Jonathan Isaac, Florida State forward -
Good Prospect
7. Chicago Bulls — Lauri Markkanen, Arizona forward -
OK Prospect
8. New York Knicks — Frank Ntilinkia, France guard -
Great Prospect
9. Dallas Mavericks — Dennis Smith Jr., NC State guard -
Good Prospect
10. Portland Trail Blazers — Zach Collins, Gonzaga forward -
Great Prospect
11. Charlotte Hornets — Malik Monk, Kentucky guard -
Marginal Prospect
12. Detroit Pistons — Luke Kennard, Duke guard -
Marginal Prospect
13. Utah Jazz — Donovan Mitchell, Louisville guard -
OK Prospect
14. Miami Heat — Bam Adebayo, Kentucky forward -
OK Prospect
15. Sacramento Kings — Justin Jackson, North Carolina guard -
Marginal Prospect
16. Minnesota Timberwolves — Justin Patton, Creighton Center -
OK Prospect
17. Milwaukee Bucks — D.J. Wilson, Michigan forward -
Marginal Prospect
18. Indiana Pacers — T.J. Leaf, UCLA forward -
OK Prospect
19. Atlanta Hawks — John Collins, Wake Forest forward -
Good Prospect
20. Sacramento Kings — Harry Giles, Duke forward -
Great Prospect
21. Oklahoma City Thunder — Terrance Ferguson, Australia guard -
Good Prospect
22. Brooklyn Nets — Jarrett Allen, Texas center -
OK Prospect
23. Toronto Raptors — OG Anunoby, Indiana forward -
OK Prospect
24. Denver Nuggets — Tyler Lydon, Syracuse forward -
Marginal Prospect
25.Philadelphia 76ers — Andzejs Pasecniks, Latvia center -
Marginal Prospect
26. Portland Trail Blazers — Caleb Swanigan, Purdue forward -
OK Prospect
27. Los Angeles Lakers — Kyle Kuzma, Utah forward -
Marginal Prospect
28. Utah Jazz — Tony Bradley, North Carolina center -
Great Prospect
29. San Antonio Spurs — Derrick White, Colorado guard -
Marginal Prospect
30. Los Angeles Lakers –Josh Hart, Villanova guard -
Marginal Prospect
A few others of note, since someone is bound to ask:
36. Philadelphia 76ers — Jonah Bolden, Australia forward - Marginal Prospect
37. Boston Celtics — Semi Ojeleye, SMU forward - Marginal Prospect
38. Golden State Warriors — Jordan Bell, Oregon forward - Marginal Prospect
Don't shoot the messenger. I'm only sharing information. These guys crunch a lot of numbers, but that doesn't guarantee anything. They only gave Trump a 23% chance of winning the day of the election. So, take any, and all, of their predictions with a grain of salt.
BNM