Thinking this initiative can be extended to every country may not be a good idea. Comparing most countries to Japan will not be an apples to apples comparison.

Thinking this initiative can be extended to every country may not be a good idea. Comparing most countries to Japan will not be an apples to apples comparison. In terms of work-life balance and job satisfaction, Japan does not rank very high. Not every country is in that situation. So an initiative like having a 4-day workweek will likely be an improvement given those conditions.