Final answer:
Engagement is not an issue with modern video games; rather, it is an indication of a game's quality of entertainment, unlike addiction, violence, and sexism, which are recognized concerns.
Step-by-step explanation:
The question asks which of the following is not an issue with modern video games, listing options such as addiction, violence, sexism, and engagement. Considering the provided references, it is clear that addiction, violence, and sexism are well-known concerns associated with video games. Research has pointed out that games like Grand Theft Auto have been criticized for their blatant display of violence and sexism. Additionally, the American Psychological Association has studied the effects of media violence, which includes video games, on aggressive behavior. However, engagement is not typically deemed a negative issue in the context of this question; in fact, high levels of engagement could be seen as a sign of a game's success in providing entertainment.