“More playoff teams [equals] more fan bases with the pleasure of experiencing the playoffs [which equals] more revenue for owners/players to share [which equals] more meaningful games for national rights holders [which equals] more GM/head coaches who can say they made the playoffs and hopefully keep their jobs [less turnover].”

-an unnamed NHL GM on should the playoffs be expanded when/if a 32nd team enters the NHL. Pierre LeBrun of The Athletic (paid subscription) has much more on this topic.