As a Dutch person having spend many summers in France, I can say that the latest generations are much more tolerant and friendly. When I was young (90’s) I saw camping owners with war grudges screaming “Campsite Full!! (Complet!! In French)” To any German. I also had to walk out of a boulangerie without croissants because they couldn’t understand the way I pronounced croissant… but nowadays you can just speak English anywhere.