Just giggled as my last meme mentioned trouble with displays and appropriately, a large chunk of the replies were “well MY displays work just fine!” (And charmingly, many were thoughts of things to check, other distros etc. It’s a very kind community, though that may also be the fediverse.)
I just went to check the previous thread, and I think there’s miscommunication both ways here.
They read your post as “I’m trying Linux, but it’s even hard to get monitors to work.” So, they responded, “I haven’t had a problem with monitors on Linux in decades.”
There’s not much else they can say, as you weren’t really asking for advice, so you didn’t give any technical details, but you were still complaining about something that they like.
Meanwhile, you read them as you said, “well MY displays work just fine!” So their replies seem utterly baffling, defensive, and unhelpful from your perspective.
I think you nailed it exactly. Also, someone else pointed out there was a time when Linux could legit break your monitor and even though that hasn’t been the case for years it’s still a bit of a sore spot.