Couldn't tell you what the philosophy or justification behind MA's stair riser requirement is. Have you considered that perhaps the engineers who contributed t

Couldn't tell you what the philosophy or justification behind MA's stair riser requirement is. Have you considered that perhaps the engineers who contributed that change to the MA residential code have done their homework, identified value worth pursuing (whether for safety, building optimization, new material availability, future planning, etc.), and decided it was worth going through what surely isn't a painless ECP process to amend what you've dismissed to be trivial minutae?