The reason most people (in Australia anyway) don't use public transport is convenience. And they also don't cycle much (Michael Pesch excluded) because it is hot, wet, dangerous, hilly and a bloody long way.
A car is quite efficient in reality in that it can whizz a person door to door over a long distance (electric carts excepted) if required and the occupant stays dry, cool (or hot), is relatively safe and quite cheaply.
Why would you ride a bike?
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