The European Union exists to provide a monetary, economic, and political way for the democracies of Europe to avoid being divided by Russia. Russia is able to use oil and natural gas politics to invade weaker countries and roll back democracy and liberty, using direct assaults that are impossible militarily (because of NATO).
The EU is the political, economic, and monetary arm of NATO in Europe.
Broadening and deepening the European Union is critical to the security of democracy and liberty of Europe.
Ireland should vote yes.