clive, 
An excellent piece by the game designer Rhys Frampton about game design ...
... and how certain game-design decisions produce unpleasant, septic behavior: https://www.gamedeveloper.com/business/every-game-has-the-community-it-deserves
Negative examples (in his view) include Yu-Gi-Oh! and Overwatch 2, with positive counterexamples in Team Fortress 2 and Elden Ring
I don't play all these titles so I can't reality-check his assertions with my own experience, but the gist of his argument rings true to me
