Agreed. Thread like this certainly did not help:

http://www.flyertalk.com/forum/air-c...or-thread.html

It was an abuse.

The original intent was presumably to enable a status member to upgrade a friend or colleague on the same flight but certainly not a vast upgrade to "burn" expiring/surplus cert. not usable by the original owner.

I "warned" about the limited no. of nominees was merely to caution to use them wisely because one might not nominate A today, remove A tomorrow to change to B.