alt Hacker NewsIt by no means is monocultural. As for safety, well, yes, pretty safe.
More important is that helicopter-style parenting is unthinkable there, people will just not understand if someone would attempt that. Also not much in insane laws (they have some, but..) and the police will tell you to bugger off if you try make them act on those that exist. So the situation in the article is impossible.
That “but..” is a big key to the difference between Russia and the US in this conversation. The US has a severe cultural propensity for rule-following and reporting things, but in Russia there’s an interesting mix of people seeing society as a commons, seeing personal responsibility as foremost, seeing laws as guidelines that may or may not correspond to reality, and seeing reporting something as fairly extreme behavior. And this includes people at all levels.