In my day, the helping professions such as teaching and policing were generally populated by those realizing satisfaction in helping and protecting others. Like today, however, there were always a few individuals whose personalities were a poor professional fit.
Nazism took a 75-year hiatus to renew itself for the current global blitzkrieg. In 2020, they initiated their attack via unrestricted warfare tactics. I refer to this bipartisan authoritarian movement as Nazism because their interest is permitting only those individuals who fit their definition of “biologically healthy” to flourish.