Games, like most things, are defined by the user.
If you have some type of mental impairment that results in unhealthy behavior, that's on you.
It's kind of like a person who has severe shellfish allergies eating at Red Lobster. Regardless of whether they know about the issue, it's not the restaurant's fault if they order a crab cake and explode or however people allergies die.
At worst it may serve as an enabler for a condition.