I wonder what they actually "do" for 95 hours a week. There is no way it can be productive work for all that time over such long periods.
If most is productive work then I imagine its a hell of an education. May give you burnout tough, best only for a short time.
I can recall multiple studies finding that working more than 50 hours a week sees a severe drop-off in productivity. Here's an article about one: https://www.cnbc.com/2015/01/26/working-more-than-50-hours-m...