It’s not an opinion. In Japan it’s well acknowledged and they even have a word for an unfortunate event caused by overworking. Go and have a look and see if you can educate yourself on Japanese working environment and side effects. You won’t have to look hard. I’ll give you a clue of where to start looking, that’s what a nice guy I am. One well known YouTuber recently found himself in the news for all the wrong reasons for visiting a forest where this unfortunate side effect happens on a regular basis, filmed what he found and then posted it on line. Start there.