You're spot on (sadly)...
The father-in-law of a friend of mine was physically abused in a long term care facility 😕.
Who knows what the solution is for preventing or at least minimizing the tendency some people have for committing human rights abuses all over the world, to individuals of all ages, in every social and financial strata.
We all have a dark side (or a shadow, as Jung refers to it).
Perhaps the next key to human evolution is the adoption of a need to actualize a higher sense of self; accomplished and self-acknowledged as the direct result of regulating the shadow self, as such bearing a higher benefit to the individual than whatever immediate gratification is realized by the individual were they to act out a maliciously predatory act against another.