Aircraft wrote:
The endorsement "barrier" is like the "blondes only" example quoted by Speeeedy - it reduces the size of the applicant pool. So instead of say, 500 applicants that are of the required standard, the pool may be reduced to 250 that are of the required standard.
So he agrees with the "blonde only" example, this is what I wrote:
On the flip side, if you just use an arbitrary limitation, say, only blondes need apply, then you limit your numbers by in excess of 50%, the remaining pool will be thinned with no slant to Quality and therefore the final numbers employed, will most certainly be of a lower quality on average – that is a statistical certainty.
So at the very least aircraft agrees that it is a statisical certainty that the result will be lower quality - and he is fine with that!
Again I say - Ask the customers - particularly the business customers with no choice but to fly J* when they wanted to fly Qantas (and there are thousands of those).