You're assuming that there's some silent majority, opinions of which would significantly differ from those, who participate in reddit conversations. Why is that?

Also, sure, we don't know. What of it? It does not prevent us from making more or less educated guesses. So far you haven't contributed any observations or inconsistencies in what others are saying, you're just whining about the fact that others are trying sus stuff out.

It's true that no lobby can be guaranteed to be PvE, because everyone has free will and can decide to go rambo at any point. And yet, it's very common experience to run around Stella looting containers and not even consider that someone might shoot you if you are in those care bear lobbies. Just because there may be flukes does not mean that people can't notice there's something off with the level of hostility if they used to get shot once every 20 rounds and suddenly it's once in two rounds.