Clearly shows you have absolutely zero idea about what you are talking about and just take your talking points from people like Elon Musk
But if you want an authority on the subject, look up Yanis Varoufakis and how sovereignty and democracy worked out for Greece when shit hit the fan.
Voters place their trust in representatives who then act on their behalf during the EP voting process and other legislative matters, such as electing the President of the European Commission