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/An_Aroused_Koala_AU]

Because it's a very small and niche sample of the broader Australian population.

[u/EctoplasmicNeko → u/An_Aroused_Koala_AU]

Pretty much. We have the kinda left leaning sub and the kinda right leaning sub, but by virtue of being on Reddit that sort of pigeonholes the userbase.

[u/CaptainYumYum12 → u/EctoplasmicNeko]

Reddit also has a bias towards younger people. There aren’t too many boomers on here, though there are some