That’s because we say “très luxueux” or is this case “très luxueuse”, because shoebox is a feminine word in French.

Agree with you on the fact that they’re not considered as car but is it really safer than a 50cc motorbike or scooter... I just see them as coffins on wheels. Where I live (Belgium) they’re f... everywhere! And the damn things aren’t cheap: about 12k for an Aixam. A bloody nuisance to put it simply!