Remathilis
Legend
There were several attempts early to add modular rules to the game: psionics, mass combat, "Grayhawk" initiative, prestige classes. They always got rejected. Even now there is significant pushback to the background feats in Dragonlance. I don't blame WotC for scaling back on optional modular rules to occasional character creation options: the larger D&D community says it wants options but then blanches at every one that doesn't look like the PHB.