My EV is the first (and hopefully the last) time I've taken out a car on a lease. Up until I got it I was happily driving a 10 year old ICE, and I'd still happily buy a ten year old ICE car. But I wouldn't dream of it with EVs, it's not just the long term health of the batteries, it's how much the technology is predicted to change over the next few years. It might turn out to nothing, but we could also see game-changing tech that causes the arse to fall out of the market for our current style of batteries.
I'm enjoying the car (kind of), but there's a non-trivial chance that it's worth not much more than scrap in 5 years, for the first time in my car-owning life it makes sense to stomach a fixed cost and eliminate the risk. The technology and the market will mature and stabilise, but I'm not comfortable with it right now.