>Most Europeans don't live in single family homes for this to be a practical advantage.

Uh, where are you getting that from? From what I can tell at sources like [0] "most" Europeans overall (though with very significant country variance) do live in detached or semi-detached housing. Most also own it. Further, even for those in flats the higher voltage EU's grid runs at still means easier higher kilowatts at parking lot or garage chargers, so it's still an advantage anyway?

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0: https://ec.europa.eu/eurostat/web/products-eurostat-news/-/d...