The thing is we know already that single-trips like that are less than 1% of all miles driven, and 4 hours is definitely a single-trip. I'd add that even with an EV and needing to stop for a charge, that's still very much a single trip affair. I'm sure that some people won't buy a car on that basis, but I suspect the vast majority will. The more people buy them, the more the infrastructure caters to it, the more the technology is funded and advances, and the remaining holdouts will eventually be sufficiently incentivized.
I’m not arguing against EVs at all, just making the case that 350 miles of range isn’t excessive by any means, especially once you account for battery degradation over time.
Personally the absolute minimum range I would consider for an EV is 250 miles with 300 or more being ideal.