Materials are regional. Woods easily accessible in Canada and USA, so it’s the predominate material.

Wood and plaster isn’t the most ideal material, but it serves it purpose for the expected longevity in f its purpose. It’s not gonna last as long as stone, but at the same time, does everything need to? People do like change as well.

They can build it stronger, but why waste the money? If a Honda works, why always buy a tank? Not everyone likes them as well.