You are right, but ICE cars need all manner of other maintenance often new transmissions or outright replacement. This is a minor issue, and is exactly the kind of problem that the GP poster was talking about. These battery replacements will be talked about like they are a huge showstopper, but the reality is probably closer to wasting a an hour or two at the mechanic or dealership and some kind of fee as they take the old battery for refurb and give me a fresh one.
And someone will figure out how to charge a car on a normal outlet.