I don’t buy the games and movies angle by themselves. You or I wouldn’t behave any differently after playing thousands of hours of violent games.
Now combine them with liberal indoctrination coming from the schools where “reality” has become a subjective concept and you have a recipe for disaster.
Its also important to note that our parents probably didn’t allow us to watch very violent movies or play the games. We were expected to make those decisions for ourselves as adults.
Or as likely, feel as charmed by the prospect as by the prospect of dancing in the sewer. No earnest advice to stop it would be needed.