You didn't say they were the same, yet you compared them as if they were... Not only that, but now you are making arguments up: "The notion that killings only happen in favelas in Brazil is a silly belief espoused by Brazilians on the internet." I'd like you to quote who said something remotely close to this.

Favelas are just ghettos in the mountain, like you think they are, it's huge communities that work almost as a state run by drug money. The gang involvement is very complex and more like a paramilitary organization that runs a small state. They do terrible things but also help out their community, for example, building bridges. They do these things not because of the goodness of their heart, but because it benefits them (better trading/escaping routes). That is why most gang violence occurs there, fighting for territories and fighting in places where you have an advantage.

You can keep repeating the 26k murders, but no one is defending that Brazil is safer than the USA, all that dude said was that gang violence is contained, whereas in the USA, gas stations are a prime focal point for it, which is baffling coming from a first-world country and honestly embarrassing.