Honestly, if only Libra had worked on the entire alliance, instead of only on a single party, it could have been useful to let the BLMs know when they're getting too close to the tank's hate, for example. But, since outside of endgame targets, controlling enmity is not a big issue now, the ability it's pretty pointless.
...At least I have fun from time to time using it when we're farming in abyssea :P
Frejan - Ragnarok
SCH 99 PUP 99 WAR 99 RDM 49 NIN 49 SAM 49
Windurst Rank 10, ZM+CoP: The Last Verse, ToAU: Eternal Mercenary, WotG Champion of the Dawn.