They are simply too expensive to buy and cop inordinate depreciation rates due to the service lives of batteries. Perhaps sales in Aus will pick up when we can buy one on our debit/credit card in Bunnings for a lazy $9,999 drive away no more to pay..eh?
This is why Tesla is propping up the resale price via a shonky buyback deal which in effect is a car lease.
And, besides, who wants to end up brown bread while having an innocent poke under the bonnet (Beware Mr Bean)