

Eurozone (and UK) always had high levels of privilege. EUR/USD is the most traded and liquid currency pair.
Many third world countries suffered from currency crises in 2022 but Europe only saw slightly higher inflation, that comes from the privilege.
Fiscal deficits are not completely discretionary, there are automatic stablizers and balances of private and foreign sectors. And no, she doesnt have to raise taxes or cut spending, she can let the deficit be wherever it is.