Originally Posted by
menekse
Visa sponsorship is useless if I don't have an ATPL issued by the UK CAA, that's what they ask
You are missing the point, with respect.
When did you last see a European "legacy" carrier, marketed to be an employer of choice, advertising visa sponsorships to attract applicants(UK licence holders or not)? Take a look at the news in the UK today and read between the lines.