That is already being looked at: Moving the Superbowl deeper into Feb, and have monday (president's day) be the holiday that people take off. That will require adding ANOTHER reg season game.Or make Super Bowl Sunday a national holiday and give people Monday off.
My opinion is that if you are going to an 18 games season, let the teams expand the rosters... by the end of the season, half of the league is on the IR already.
Bottom live is that the NFL is a money wh0re...... they will do whatever it takes to squeeze 1 more dollar out of the public.