Those were examples cited. The Internet exists because of "content". Content is getting progressively heavier with the passing years. The world is not going to wait for bumfvck Australia to play catch up(and we're already technologically behind most developed countries).
Exaggerating an argument till it seems ridiculous does not make it untrue. I'm sure some NBN detractors would be happy with a glossy poster of sheep/goat/<any other farm animal> but most of us have stuff to do. ;)
There's a ton of scenarios that justify a fast internet connection with low latency. Just within multi-user households, what if a dad is working from home using VNC while the mum's listening to music on via a streaming service... daughter is working on an assignment while downloading the latest OS updates and the son is video chatting with his girlfriend in France.
Try doing that over ADSL 2+.