I want them to take away green fire and give mages and shadow priests more interesting spell animations.
The Abbot at first tried to console Pai Mei, only to find Pai Mei was... inconsolable.
It took 7 years from the first green requests to finally get a quest.
Bring this up again in about 12 years.
I'd like red/orangeish flames on all of my destruction skills. Burn!!
Warlocks push for green fire for years, blizz obliges and now we're looking for more color choices.
This is why they are shitting on us in 5.2 people
Fire being green has a legitimate lore reason in the form of fel fire. It's being opened up after years of wanting it and is justified by lore.
Getting an inch doesn't mean you need to take a mile, there's zero reason for a PICK YOUR SPELL COLOUR system, otherwise raids will just turn into retarded discos with strobe-lightning, rain of fluorescent-fire and neon-mind flay.
There's a reason we can't transmog swords into fish.