Very interesting to read that the supplier voluntarily make a statment that it also supply the same product to other supermarket chain...  That defeats my logic of business "ethics"... unless....

廉潔 =  sorry, Japanese are really very corruptive, subordinates are used to buy stuffs for their bosses.
社會制度 = Japanese society is an oppressive society.  The elder ones are supposed to "teach" and "lead" the younger ones.

魚目混珠 = Cod fish ( oil fish )...   That ParknShop general manager is a food scientist, he sure know the difference and very well know that those two fshes are not of the same spicese.
1. " 油魚在歐美多個國家均用作生產工業用潤滑劑的主要原料，並且禁止當作食品出售。"
2. " Australia prohibits the sale of oil fish as food supple "
3. Li Ka Shing did build up a company culture of this kind.

Social responsibility ?   How much did he paid for taxation ?  I heard he did willingly get a very very low salary.