I feel people against global, or at the least, European unification of stuff, whatever they are, laws, units, currency, probably never went abroad for a prolong

I feel people against global, or at the least, European unification of stuff, whatever they are, laws, units, currency, probably never went abroad for a prolonged period of time. Once you did, and you have to deal with everything from cultural shock to tax returns, you will change your mind pretty quickly (not even mentioning the language barrier).