I recommend this video to look more into OSR philosophy regarding the rules: https://www.youtube.com/live/bCxZ3TivVUM?si=aZ-y2U_AVjn9a6Ua
I recommend this video to look more into OSR philosophy regarding the rules: https://www.youtube.com/live/bCxZ3TivVUM?si=aZ-y2U_AVjn9a6Ua
On the other hand, if you had basic rules be flexible and understandable enough, you could by common sense apply them to most of situations and devs could focus on polishing the edges where you would need a specific rules, which should be few and far in-between.
It really is crazy how hard new players defend 5e and pf2 when so many other games make GMing actually fun and easy.