Well, rigor and quality in building industry are location dependent. I've read a blog of a builder who describes how architects regularly produce dangerous (too

Well, rigor and quality in building industry are location dependent. I've read a blog of a builder who describes how architects regularly produce dangerous (too thin or just simply missing load-bearing beams) or straight up impossible (gable of negative size, yep) designs. The solution is that the builders just build whatever makes sense and sometimes the contractors simply don't notice.