Similar thoughts. I have always thought about how things are portrayed in "new system" images. All modern conveniences available, everyone looks straight out of 2020 with many modern conveniences including kiln dried lumber, modern pottery and many other construction/building conveniences.
When I talk to other JWs about this topic I tell them you need to think in terms of a house from the 1800s, animals for transportation and farming/raising livestock for food. Heating/cooking with wood. No air conditioning. On and on and on....