It's more like they don't have the knowledge to properly care for their plants. The plant might look fine on the outside but still have defects, apraisal seems to tell everything to get the perfect results.
I know about the poor material the Japanese had to make swords and the reason for folding. Also here https://www.tf.uni-kiel.de/matwis/amat/iss/kap_b/backbone/rb_6_4.html
Or maybe even worse, like in many movies these days. To not use abilities they are proven to have just so the plot can happen, just take Disney starwars for example. It really boils my piss.
Even the The soil, climate and even the orientation of a hillside or the company of neighbouring plants, insects and microbes play a role in the taste of whatever you plant.