Originally Posted by
nolens volans
The point is that if nobody (or virtually nobody) in the J cabin is actually paying for J, there's not much of an onus on AC to provide a proper J class service, and correspondingly less reason for anyone to pay for J
The number of J seats on the A-321 is being reduced from 24 to 20. On the A-320 the J cabin is being reduced from 20 seats to 14. You thus seem to be correct.