I see it as imperative that FCL becomes closer between nations to an eventual common standard
Seems to me that's what will happen, effectively. EASA is finding, and will find, that naive political one-upmanship relative to FAA is a losing battle. They will then save face by allowing reasonable conversion from FAA certificates to their own gold-plated "EASA as Part of the New EU Ruling Class" licenses. The effective standard for European pilots will be (remain) the FAA standard because they will train to that standard before converting.
Eventually politics must succumb to economic reality, even if that means maintaining the illusion of supposed 'leadership' and the elite class of bureaucrats that want to justify it, and the paychecks it gives them.