It's more of a work culture, I think. Remember the swordsmiths, potters, builders, etc., their dedication and know hows. People are used to this and respect thi

It's more of a work culture, I think. Remember the swordsmiths, potters, builders, etc., their dedication and know hows. People are used to this and respect this. Noone blames them. And over centuries the culture of masters, schools and trade secrets only hardened. It's not a surprise these practices are hard to let go of.