It could also be because the Vikings drafted him before the Bills first pick? ... You can't really "pass on him" if you do not have the opportunity to draft him
That's like saying Carl Lewis was a better sprinter than Usain Bolt, when Bolt holds all the records. Out of the top 11 most hot dogs ever eaten in a contest, Chesnut holds numbers 1-10 and Kobayashi has number 11. Your math isn't mathing correctly.