I'm a little surprised by all those who seem to think that GB aviation won't prosper outside EASAland.
What do they think was happening to GB aviation before we joined the EEC/EU ?
More to the point; there are many more countries operating efficient and dynamic aviation industries outside EASA than there are within. The likes of Brazil, America, Australia, New Zealand, Canada Indonesia, China, India appear to be sufficiently well organised to run their aviation affairs quite successfully without the intervention of the restrictive EASA.