I doubt you can base that on anything other than feeling. He had a brand new football program only 4 years into a big time conference, and his 5th year he lost Grothe, but actually had a solidly recruited back up to still finish respectable with a win over FSU. Again, for the people who aren't satisfied with that, I hope they are happy, because they ruined the program.
And for the record, Skip Holtz did great at ECU and is doing great at La Tech. So obviously it wasn't easy getting a brand new school to compete at the level Jim Leavitt had us at