The main hidden cost is that regular ass people aren't going to be able to afford one for another twenty years or more.
I'm in my forties, and I'm still driving a car from 1999.
I have never owned a new car, all my vehicles have been used, and I've bought them in cash, outright, no car payment.
The prices will never come down on a used EV enough for me to justify the purchase, especially since I can find cars from 20 years ago that don't have excess features that will cost me more money to repair. Like a bunch of rear-view cameras and sensors, often placed inside the bumper, make a small fender bender into a costly repair bill because it's no longer just a bumper, it's a bumper with all kinds of expensive shit inside of it.
You can't find an EV with roll-down windows, no extras, and just a radio. They don't fucking make 'em. EV's were just the first step of the auto industry fully embracing that all vehicles are luxury, and economy cars just don't exist anymore.
Add to all this that charging networks haven't exactly rolled out nationwide and you're left with feeling stuck with ICE cars longer than you'd like.
I would have loved an EV a decade ago, but literally nobody is making an EV I can fucking afford before I croak.
Long story short: As with everything, the blame will be put disproportionately on the poor while ignoring that buying an EV is something most poor people simply cannot afford.