So compare Najee vs Robinson in the same years - same OL, scheme, etc.
Najee ran for 1.0 ypc more because he's more talented.
IMO - Robinson ran for 5.0 2017-20 as a backup, then 5.0 in 2021 as a starter because that's what his talent level is. OL & Scheme had very little do with it.
I'd...