The article states that Karoshi is death by productivity. This is generally not correct. Karoshi is death from over-work. The distinction concerns quantity of

The article states that Karoshi is death by productivity. This is generally not correct. Karoshi is death from over-work. The distinction concerns quantity of output. Many Japanese will work long hours with little impact on output. Such people are therefore hard-working yet unproductive. Japanese business culture tends to respect effort more than result.