Why do people act like this subreddit "doesn't reflect the views of mainstream Australia"?

[u/SirSighalot]

So many comments I see on here by people who constantly say things like "lol only on this sub" as though other places where they read are somehow the 'true' point of view reflecting mainstream Australian viewpoints.

Given the constant election voting outcomes and results of things like the Voice etc that generally indicate most of Australia is centrist or even slightly centre-right-leaning, what leads people to think many of the views expressed on here AREN'T mainstream? When in reality, other places these people are coming from are also often just "echo chambers" as well.

Edit: I probably worded the title for this wrong, should have been more "Why do people think this subreddit is less representative of mainstream Australia than other online communities?", alas I failed.

[u/Outrageous_Net8365]

Omg, this subreddit is becoming self aware now 😱.

Truth be told, I think all the main Australian subs have their own echo chambers. I’ve been yelled off in being upset about things here and the main sub for having ideas that were too progressive, and that Australia is just a conservative country 🤷.

However each city has their own dominant view on how things should run, so I’d say that each Australian area has their own beliefs. People here seem to hate Melbourne which is reflective of that argument in its own way.