The thing is, ratings can go up or down, depending on training camp etc so those 70's could be as high as 90 for instance, and conversely a 90 might in fact drop 10 or more...just as real-life.
NFL teams routinely trade out of the 1st rd in many drafts for various reasons and the way they judge and value talent. I agree with Morbid that this was a solid draft, though not spectacular, it was adequate in every sense of the word.
I am impressed with how David is improving this game and look forward to the continue evolving of MFN