There is big money in it for players and NFL team owners, advertisers, gambling promoters, etc.
Is this a moral activity? Is it the modern form of gladiatorial combat from the Roman days. Is this our modern form of "bread and circuses?"
Steve Almond and others are modern day prophets warning us of the dangers of this sport not only to the players but to the moral sensitivities of the audience who egg the players on and provide the incentives for them to engage in this destructive activity.
Do the benefits of football culture outweigh the costs?