Intelligent? Stupid Consequences? The whole thing will end in an administrative regulation with the charme of a german “Flurbereinigung”.
There are countless “united countries”, monetary associations and intergovernmental treaties in european history, all gone. This is one more at the end gone one more.
Europe is divers, different cultures, different languages different countries. US is not able to integrate 3 or 4 (blacks, whites, mexicans and chinese) all with the same language. Alone from languages, we have dozends of it.