> but it kind of proves the point that current construction techniques are optimized for cost I don't think that's a fair takeaway - drywall lets you do things

> but it kind of proves the point that current construction techniques are optimized for cost I don't think that's a fair takeaway - drywall lets you do things like insulate, run cabling, provide moisture barriers, easily change room layouts. These are all things that people want to do in their homes today that are straightforward (mostly) with drywall, and borderline impossible for a DIY'er in an older building.