You are putting way, way, way too much stock in one deep run for the NT. If you think a team that won the NT 10-20 seasons ago but has just been solid since then would have a higher prestige than a team that's put up the #'s in the last 10 that Montana has, that's crazy (and would mostly confirm that you're just arguing with me because we like arguing with each other).
Now, if it's a team that has a NT and also has a comparable resume in the other seasons, sure. But there are maybe 5-6 teams in Allen that might be able to make that claim. Probably fewer.