[livrem]

> Mobile games are only harmful to a relatively tiny group of addicted gamers, while internet ads have very serious consequences acting on society as a whole

It is still unethical to even play "free"-to-play games. You are entertained at the expense of a small group of addicts that are often spending more money than what they can afford, and, at least in many games, just being logged in helps create a nicer environment that lures in those people. If you are not there to be a whale you are there to be lure for them. It might not be harmful to you to play, but you are being harmful to the addicts.