Yes, right now they are.
Before we had a road system, Model T's weren't very practical either.
As Yo-Yo said, it's the early adopters who pave the way (with money!) to universal availability for the masses.
With enough of a market more resources are diverted to chasing that money with enhanced power generation and distribution, better batteries, alternate means of electrical energy storage (e.g. super-capacitors) and so on.
And criminal wasting of vital, limited natural resources like rare Earth elements on batteries for foolish electric toy cars.
Grow up people, and buy a brain with your excess money.
>> “As Yo-Yo said, it’s the early adopters who pave the way (with money!) to universal availability for the masses.” <<
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And when the power grid is down in an emergency, how many thousands will die with their cars?
Tesla might not be around much longer, though. They’re starting to play some very strange games with their books which is bringing into question their long term survival.
Developers experimented with electric cars around the same time they worked with the internal combustion engine. For some reason they took gasoline power and ran with it.