Even their strongest supporters, Thommy and Stefan, can't give a single reason for the centralist rule of the EU. Because there isn't any other than their desire to lead Europe into their version of the New World Order.
Claiming the leaders are great thinkers, intellectuals and capable of addressing the problems of the world. In truth they're incompetent clowns. They failed on "Freedom of Movement, immigration, Crime, Euro, CAP, Corruption, etc.
https://bankwatch.org/success-stories/eu-funds-map
Top 10 Reasons The European Union Is Doomed - Listverse
We the people do not want nor need an organisation that runs Europe from the centre. We want our own regional governments to make and pass laws to deal with problems unique to our own country. Not some centralist bunch whose one aim is to unite the whole of Europe.
Anyone who claims the EU has meant an end to wars in Europe is a fool or lying. We have a bigger threat from Russia, the people have no desire to go to war with our neighbours and any attempt by them would be shut down, also so long as we trade and talk there's no need.