Study does not exactly imply that left-handers are the cause of the violence, just corelated to societies' total violence. Perhaps we are exceptionally annoying

Study does not exactly imply that left-handers are the cause of the violence, just corelated to societies' total violence. Perhaps we are exceptionally annoying to right-handers. This 'um, actually...' post would then be a salient self-referential sample of what I mean.