Imagine the National Football League in an alternate reality. Each player's salary is based on how long he's been in the league. It's about tenure, not talent. The same scale is used for every player, no matter whether he's an All-Pro quarterback or the last man on the roster. For every year a player's been in this NFL, he gets a bump in pay. The only difference between Tom Brady and the worst player in the league is a few years of step increases. And if a player makes it through his third season, he can never be cut from the roster until he chooses to retire, except in the most extreme cases of misconduct.

Let's...