As a college student in the late 60s I worked in a mental institution. This was before they opened the doors and let them all out. There was a reason for those places then. And there is a reason now.
There is a crying need for psychos to be re instituted.
You are correct in says that they most players of these games are reasonably sane.
There’s a correlation betwen the first modern mass shooting (1980) and the time “deinstitutionalization” began to take effect. They just continued from there.