That is not universally true; even today in some states there are areas (and perhaps even entire states) where building codes do not apply, sometimes even to the main structure. Often you only need to comply over a certain size, for human habitation, or to connect to utilities.
The best argument “for” building codes is the same as “for” secure platforms; that people should be able to expect a certain level of competence when buying a structure or phone.
But if you want to do it yourself, there should be a path.
The codes exist but I think what they are saying is that in some places codes are not enforced or even checked. I live in somewhat of a "middle ground" where codes do exist and electrical is checked on a brand new build. They will also nag about septic inspections but will never actually get off their butts and do the inspection. Many such places do exist but they are usually places I would never want to reside. I know of places that I can literally build anything and never once be nagged by inspectors or state/county governments. They are happy enough and lazy enough to receive the property tax revenue.
I have mixed feelings about unenforced regulations. Having unenforced regulations opens up the possibility of targeted abuse of any individuals that are not a cultural fit in the eyes of the government offices and being very relaxed regarding anyone that fits in. This also drives the need for very detailed and expensive inspections prior to purchasing a home and that is a loaded topic all by itself.
There are places that don't even have the regulations - or if they do, the number of explicit exemptions is so large as to easily drive an entire house through them.
Agreed. I should have clarified that is what I meant by there are places I can build literally anything. Of all of the places I found to be the case I would not want to reside in any of them. If one digs deeper they may find the local government to have corruption issues and county/state services are often not reliable or useful. Crime is usually high in such areas. There are probably a few hidden gems but it was not worth it to me to find them.
The best argument “for” building codes is the same as “for” secure platforms; that people should be able to expect a certain level of competence when buying a structure or phone.
But if you want to do it yourself, there should be a path.