There are quite a few over 50 CzFOs and FOs at Virgin.
The argument that the employee "was not authorised to send the email" won't hold water. The company holds responsibility to ensure that all staff comply with legislation, including the Anti-Discrimination Act. There is NO wriggle room for them on this one.
I had a brief moment where I considered applying for a job with them as a DEC. This confirms my correct choice in not doings so. They'll be out of business in 2 years anyway.
As for the silly comment regarding retiring to give some " younger guy a go", over 60's pilots have every legal and moral right to work as long as their Class 1 medical remains valid.
