Yeah, no. Nintendo, as the other poster said. Random stranger interaction == bad. Can’t verify age == bad.
Can only add your friends for chat? Is fine.
I feel like this same strategy is sane for adults also. Before the internet, we did fine making friends and playing games with people we actually know. So much of the awfulness of the modern online space comes from anonymous interactions with strangers. I don’t think human social connections are able to scale in the way the internet enables.