At the individual level maybe. (Maybe as a European) I prefer to think at the societal level. Not wanting to ivoke Godwin's law, but when Nazism came to power

At the individual level maybe. (Maybe as a European) I prefer to think at the societal level. Not wanting to ivoke Godwin's law, but when Nazism came to power it too was a disaster for millions and an opportunity for few (e.g party leaders, lackeys, arms industries, etc). All the same, I would still call it solely a disaster. Same with the '29 and the "Great Depression". Some people probably made a lot of money off of it, but at the large scale, it was a tragedy and a disaster.