I think it's partly that a lot of 8-hour-day jobs bleed towards 9 hours, but (explicit) 9 hour days are less likely to bleed up to 10. But even at stated hours, it's got a lot of advantages. Free weekdays are incredibly useful, and the ability to schedule around 3 day weekends (or 4 day weekends on holidays) is a huge hit with people who want to take any kind of short trips.
I think it's partly that a lot of 8-hour-day jobs bleed towards 9 hours, but (explicit) 9 hour days are less likely to bleed up to 10. But even at stated hours, it's got a lot of advantages. Free weekdays are incredibly useful, and the ability to schedule around 3 day weekends (or 4 day weekends on holidays) is a huge hit with people who want to take any kind of short trips.