Being from the UK, I can comfortably say that the UK's cell coverage is nigh on perfect by comparison with say, the rather disjointed country where Rivian has its HQ. It was only recently that you could forego checking the cell coverage map before buying service over here.
Not to mention any bridges or tunnels which you seem to think a major* auto manufacturer just what, forgot about? You're just a bit too zealous in your effort to discredit EVs, mate. Take it easy.
* majorer than Caterham, for example, which has double the output of Lotus