They're just standing there with a big target on their chests. A wider field would limit the common cornerback blitzes and complicated zone defenses that teams use. But that being impractical, football's future is reliant on rules, coaching and equipment changes. But the basic game will remain the same. Basketball's emphasis on strength has only grown and will continue to do so in the 2000s.
Every position has to have it.
Tall athletes naturally gravitated toward basketball from its origins. The concept of a sport with a goal suspended 10 feet in the air obviously appealed those closest to it. But there also were roles for the little guys. As athletes have evolved, the opportunities for smaller men have decreased. Those guys have changed the game.