This question is incomplete, here´s the complete question.
Read "Reality Is Broken: Why Games Make Us Better and How They Can Change the World," by Jane McGonigal.
Whom is McGonigal trying to convince? What evidence supports your answer?
Answer: The detractors of games: "concerned parents, teachers, and
politicians", as well as nongamers who consider gaming a waste of time.
Step-by-step explanation:
McGonigal explains that despite the growing concern about the increasing use of games as a waste of time, there´s historical evidence (the Lydians account) that games that provide an immersive experience and a distraction from their (metaphorical) hunger for things such as a better job or at least a sense of belonging to the community.