If you're referring to what happen to companies like Hertz, then according to them the problem wasn't reliability.
The cars had more accidents, probably because some were not used to the speed or would get an EV just to test the speed. Why buy Tesla in that case then, when their repairs are known to be super expensive and slow? Then you had people who are not used to EVs and charging trying to use EVs and the companies themselves didn't build the charging infrastructure so customers left with a full battery, but that has nothing to do with reliability. Vehicle depreciation? Again, a Tesla problem because they sold them the cars at a high price before dropping prices (the covid years were very weird).
So again, what makes EVs unreliable? It's a simple question.
I think a problem with EVs is that we don't have a depreciation model for the batteries in the same way that we do for the car itself (based on mileage).
In an ideal world you could instantly get your battery replaced with a full one at a recharging station and settle the difference in depreciation.
The EV ownership model only works right now if you charge it yourself and use it to drive around your own town
Wrong, wrong, and wrong. I rented EVs multiple times. You don't worry about charging as often as 12 out of 48 hours. If there happens to be a convenient L2 charger you plug in. Otherwise you visit a fast charger.
Superchargers have excellent availability and uptime.
EVs depreciate quickly entirely because of technology advances. In the span of a few years we have seen 800V architectures, LFP batteries becoming commonplace. And semi-solid-state batteries are on the horizon.
The cars had more accidents, probably because some were not used to the speed or would get an EV just to test the speed. Why buy Tesla in that case then, when their repairs are known to be super expensive and slow? Then you had people who are not used to EVs and charging trying to use EVs and the companies themselves didn't build the charging infrastructure so customers left with a full battery, but that has nothing to do with reliability. Vehicle depreciation? Again, a Tesla problem because they sold them the cars at a high price before dropping prices (the covid years were very weird).
So again, what makes EVs unreliable? It's a simple question.