Fans need to realize there are certain thresholds that NFL teams are looking at when drafting a player, especially higher in the round 1-3. Teams also look at whether you were a team captain, as appointed by coaches or teammates.
TJ Tampa fell to the 4th rd because his RAS score was a 6.31. To be a 1st rd pick, this should be over a 9
For OL, You look for traits like height, size first of all. Then look to arm length (especially for T position in the NFL) and hand size. When KO got drafted in the 2nd rd, he had the longest arms for an OL that year. They look at the first 10 yard time in the 40 yard dash and the 3 cone. They don't typically care about 40 time.
for CB's, most important trait they look for is speed, your 40 time and 3 cone time. They look for height and arm length after that. Hand size isn't as important for this spot.
For WR's, they look at wheather you meet minimum threashold, usually at 5'11 and up. Your 6'6-6'6 receivers aren't highly coveted anymore. They value route running the most. They want receivers who can run 4.3- 4.48. Hand size is important, 3 cone speed as well.
For players like Dominic Orange. His value will be determined by his RAS score, age when he comes out to the draft, and how he measures at the combine. Past production isn't as valued as how they project you will be and not what you have been.
I study quite a bit with the draft stuff. It's pretty interesting.