> Drivers for JR West face financial penalties for lateness as well as being forced into harsh and humiliating retraining programs known as nikkin kyōiku (日勤教育, "dayshift education"), which include weeding and grass-cutting duties during the day. The final report officially concluded that the retraining system was one probable cause of the crash. This program consisted of severe verbal abuse, forcing the employees to repent by writing extensive reports. Many experts saw the process of nikkin kyoiku as punishment and psychological torture, not retraining
A 19 year old example doesn't seem great, surely things can change in 20 years.
Also that derailment was truly caused by surpassing the speed limit, which shouldn't even be possible (even more so today). Enforcing a speed limit by block is trivial. Which it looks like is what they did after.
Japan has a very different culture and a very different way to organize and finance everything. If you want yo copy their system you cant just cherry pick a single aspect and just assume it gone work the same way.