así que podemos afirmar que si, los videojuegos provocan violencia
No, no lo podemos afirmar. O, de hacerlo, estaremos faltando a la verdad.
Failure to Demonstrate That Playing Violent Video Games Diminishes Prosocial Behavior: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3700923/
Although we used a comprehensive test battery consisting of questionnaires and computerised behavioural tests assessing aggression, impulsivity-related constructs, mood, anxiety, empathy, interpersonal competencies and executive control functions, we did not find relevant negative effects in response to violent video game playing.