You know, in the 80s and 90s when you had enforcers take up a whole roster spot (McSorley, Domi, Probert), the whole thing kind of just took care of itself on the ice. It's not because the game got faster or more physical since then. It's classic tit-for-tat reciprocity with on-ice fighting as a mechanism for ensuring clean play. Once these reciprocal engagements occur to a high enough frequency, they become codified into values and norms such as "the honour code" or "rules of engagement".
I feel like this generation of hockey lost sight of that - that by trying to arbitrage fairness through suspensions and reducing fighting, they're actually making the game more dangerous, especially if the punishments are mere slaps on the wrist.
If you look at peak Oilers, Kings, or the Red Wings, nobody cheapshotted with Gretzky or Yzerman lol. It isn't because they "revered" these players, it's because they know Probert or McSorley would have pounded them into dust ON THE ICE lol. It was only when the league started reigning in fighting to try to make the game more marketable, that they started phasing out guys these enforcers, that guys like Bryan Marchment and eventually Raffi Torres began to injure players en masse. These 5, 10, 20 game suspensions were hardly a big enough deterrent for their on-ice behaviour.