Flat pack / DIY assembly does not magically lead to 10x reduction in the cost of an item. Also, deciding to do DIY assembly changes how you think about / plan

Flat pack / DIY assembly does not magically lead to 10x reduction in the cost of an item. Also, deciding to do DIY assembly changes how you think about / plan the design + manufacturing of the object, because you aren't training a workforce to assemble specialized parts, but now need a system that most people could pick up and assemble without any major mistakes. It's more design and thinnking, not less.