The real one Acorn, very different to yours I’m sure.
Have you considered the “jam packed” theory of yours is related to people going to work? Is 15 minute cities going to fix that in Oz? Do tell.
As for poor planning, yes that is true.
“Residents of one suburb in Melbourne's west are spending up to an hour in traffic to travel less than a kilometre each morning, with planning experts likening it to a "prison".”