That is somewhat true.
Some of the Moderators there are kinda rude. @Shadow Spectator is very active on Discord, and the way that he answers everyone's questions is kinda harsh. It seems like he doesn't care much about what you were saying. If you are wrong about something, then he will correct you by throwing these informations at your face with as little explanation as possible. I could say that he is acting like some kind of heartless AI, especially to someone who keeps asking the same question after he gives them an answer.
But his informations are making up for how he acts, though, because of how accurate his informations are.
Edit: I talked to him by DM-ing him, and he is actually a really nice guy!