EASA and Turkish shows what can be done. So if the EU NAA's all agreed to allow EASA enforcement, then the system is fixed. However, the NAA's (read member states) do not want to relinquish control.
I honestly believe regional safety, rather than state safety, could and should deliver its plan. However, my country wants a blue passport (albeit made in another member state).
The UK set a high bar -
https://www.gov.uk/government/statis...-and-incidents