Speaking of anecdotes: I have reason to believe, via personal experience, that restricting your children from playing certain games will lead them to continue playing more tasteful games well into their adulthood (ie. they'll be less of a degenerate).

My dad, though he was okay with playing Vice City in front of me as a child, wasn't very comfortable with letting me play the game myself, because I was only around 10 years old at the time. Just watching him play, however, allowed me to contemplate all the things he was doing and evaluate them morally. I'd ask him questions like, "What are you doing?" And he'd answer, bluntly and honestly.

"Why are you driving an ice cream truck?"
"I'm selling ice cream to children. They're laced with drugs."

I remember when he introduced me to the sniper rifle. I asked him what the sniper rifle did, and he demonstrated by sniping a civilian from a building. His head exploded in a geyser of blood. After awhile, the implication of my dad shooting innocent people started to become apparent, so I asked him, "Why are you killing all these people?"

"Because I'm the bad guy," he said. "I mean, I'm not a bad guy, but you play as a bad guy in this game."

At that point, it clicked. Either way, I decided that the game wasn't for me, because I didn't have any interest in being a bad guy, and shooting innocent people didn't really seem like something I wanted to do. I'd rather be a good guy doing good things, and I was scared that if I played GTA, I might become a "bad guy" myself. That didn't sound like fun to me.

And to this day, it still doesn't. I've still never touched a GTA game in my life, and I'm three years above the recommended age. Most M-rated games are (or contain) tasteless garbage, and if my dad hadn't shown me that at an early age, I'd probably be just like most of the degens here, playing dumbass games like Grand Theft Auto or Saint's Row.