Earlier quoted context omitted.
How is double stair MFH overzealous? I can’t control if my neighbor blocks the stairwell with a couch that gets stuck while he’s moving in and now I have no egress if my other neighbor starts a fire. I’m in favor of greater freedoms, and the freedom to choose a single stair MFH if I want. But I don’t want.
A couch and a fire and that couch can't be pushed over or jumped over... That's quite a contrived scenario. I suspect that most of the improvements in the fire safety record of apartment buildings have to do with other factors like materials used, fireproof stair doors, etc etc. The reason I think the two stairs don't do much is that first world countries exist outside North America, they don't have this rule, and th…
Not everyone is young and in shape to push couches or jump over them.