As they get older, master bakers lose their physical stamina, and instead of being considered treasure troves of experience are pushed out of the industry, leaving many without the drive to try and keep going.
當師傅年紀越來越大、體力不濟時，不但沒有人會視之為「寶」，甚至還可能被淘汰，師傅因此也不會有繼續向上成長的誘因和動力。