Just did a dummy booking, simple BNE-CBR sector... TT total price $139 pp, VA $213, QF $250...QF classic award 12,000 pts + $87 tax.
In short, blowing 12,000 pts would save $52 or 0.4c per point. No thanks. Even wasting 35k points on an ASA would be better, same point value but at least you get SC!