Many of the chaps based as FOs at LHR must SURELY go quietly to the interview. Superb, modern employee rights and protections. Reasonable promotion prospects that don't require you to relocate your entire family to Hong Kong for the next 20 years.
Young Captains have made their point in passing CX's so-called 'course' and if they have a reasonable time left, they should go too.
Me? Too old unfortunately.