The NFL is a reactionary business more than it is a progressive one. When a dilemma arises to the point where it reaches the league office and grabs the attention of commissioner Roger Goodell, something is usually done about it.
When cornerback Nickell Robey-Coleman of the Los Angeles Rams launched himself midair into wide receiver Tommylee Lewis of the New Orleans Saints in the NFC Championship and did not get flagged for it, shockwaves were felt all around the NFL landscape. How could an NFL official and his crew miss a blatant flag like that?