Kiwi grey : Nice speculation , but on your remark :
guaranteed' EU Citizenship in the EU member country of their choice after three years.
Well it far more complicated than that , first each state has its own regulations for non-EU citizens naturalizations , some quite drastic , for instance Germany is minimum 5 years residency and a language test. Airbus cannot change laws...
Tartiflette Fan : Just to put things back in perspective ; this remark was made over a year ago during the first Brexit negotiations , possibly to influence EU/UK negotiators at the time to make a deal that would include Airbus interests.
On the German/French financial bail out money to Airbus, they contain certain conditions , not all public. But one for sure was to preserve as much as possible jobs in Toulouse and Hamburg, not in the UK
Another thing to consider in the equation , the current UK to Toulouse and Bremen physical transport of wings is costing quite a lot , by moving its manufacture near the assembly plants in the continent Airbus would save a significant amount too.