It also decreases revenue by 20%-25%. It also makes career records from previous eras impossible to break.82 games is an abstraction that does not allow for a very many meaningful games. Not for the players, nor the fans.
Players play, but fewer games over the same period of time would make it far more interesting for them. It would also reduce the number of injuries.
At 30 teams, two games with each team still provides for plenty of income potential at 60 games. It also raises the stakes for every game.
If they can just shave off like 4 or 5 games to eliminate back to backs then that is probably a better equilibrium.