I have seen City of God, but it was a long time ago and before I was seriously into BJJ. Have not seen Suburbia. The 'safety in planned suburbs' concept is util

I have seen City of God, but it was a long time ago and before I was seriously into BJJ. Have not seen Suburbia. The 'safety in planned suburbs' concept is utilized in so many countries though, literally all of South & Central America, Africa, the US in the past.... I just couldn't believe this whole discussion thread was going to pass by without someone talking about safety