Wow....If you're right AS then they'll kick out the EU citizens from BA,RYR,Easy then I can come back from China to a DEC with one of the above. If I believed that then I would have to be smoking something.
What you're arguing is probably my ideal as well but it is entirely unrealistic.
Work permits would be issued to EU Pilots flying within the UK after Brexit.
Individual EU countries will not issue work permits to foreign Pilots.