This is not a school. This is not the local playground. This is not the office where accounting or other services are done. This is not a fast food establishment, or grocery store or a retail outlet. This is a football team, where gladiators and real men who play a game for purposes of establishing physical and strategic dominance work and play. These are some of the toughest men in our country.
Let this story die. It is completely ridiculous to worry about pranksters and hazing of football players. It IS football.
Have you ever heard the trash talking of an athlete - if that nonsense happened in any other industry, it would be unacceptable - but this is professional sports - where only the elite athletes get the chance to show their wares.
NFLPA - go do something constructive like negotiate multifaceted heath plan for all retired players. That is a better use of your resources and is more in line with your purpose.