It's not always about triggering Yellow. *wink* (srsly it's tomatoe/ tomato... we both know what we're doing here)
My point was about raw dmg, every spell has a use and the bonuses you get for 5/5 are no great shakes.
Seriously with a straight face do you really need 5/5 on either of those spells to land full dmg? Do you really take the time to setup/ execute SC + MB with those spells to take advantage of the dmg boost from 5/5? If you do, then good call but I'd be dubious of anyone claiming yes...
Seriously, the MM atma make conserving MP pointless. Just turn on the hose at let it loose! My lowman group Takes down Ulhuadshi with just me and 1 other BLM. I like that I can deploy Aero V > Tornado II > Tornado > Aeroga III> Aero IV > Aero III. If wind is one of the proc days, I've got my bases covered and I've kicked his ***. Plus I've got options for dmg as I wait on cooldown timers.
Granted I have to be careful with hate, but there's ways around that.