I don’t think anybody is talking about mandated razing of all homes > 50 y/o. I just think that the case for preservation should be applied with consideration to location, condition, and significance, not just whether the exterior architectural style is popular right now. If a homeowner is tired of dealing with the hassles of flat roofs, drafty custom picture windows, and inefficient built-in appliances and a/c in the middle of the woods, they should be allowed to raze it and start over if they want to.