Wow the NFL is facing image crises all the time now.
These aren't third line scrubs doing bad stuff and creating negative media attention These are SUPERSTAR players. And it's not just sports fans that are hearing about it. Wives that could literally name one or two NFL players at most have heard all about Ray Rice and Adrian Peterson, just like they did about Michael Vick.
Will it hurt the NFL's bottom line much? Probably not right away. But they gotta watch it or people could get slowly turned off. Partly because it gets harder to cheer for these guys, but also the league is less fun to watch when star players are out.