OK, well, this sums it up:
It isn't currently considered an exploit.

Enjoy it while you can I guess.
As seen on TV... I mean the CSF forums.... links:

http://forums.worldofwarcraft.com/th...=1&pageNo=4#59
Quote Originally Posted by Guron
can a blue comment on whether or not using the RaF 300% exp for instancing with 70's BEFORE its fixed is considered exploiting now?
http://forums.worldofwarcraft.com/th...=1&pageNo=4#61
Quote Originally Posted by GM Vrakthris
It isn't currently considered an exploit, Guron.