Cathar, sorry but that isn't the case at all. A specific set of questions was asked relating to theoretical flights ie depart one country that had opted out and landing in another that hadn't and the legality of the flight. The answer was very clear that it would be legal as the lead policy MEP of the team stated the derogation applies to all EU states as in their own words they are representing them all.
Further questions were asked in the initial stages regarding paid third country licenced pilots flying private aircraft based in Europe. The answer was again clear that this is allowed to continue until at least April next year
Pace, checked my PM but couldn't see a new message, can you resend ?