XD
But seriously:
1) Death happens. Live (And die) with it.
2) They can't revive Mutran now unless they use some really cheesy method which makes three quarters of BZP hate Bionicle.
3) They needed to kill off some of the Makuta to make it look like the Phantoka had "won". They couldn't kill off one of the "main" Makuta (The canister set ones), so they were forced to kill Mutran and Icarax, the two "special" Makuta.
So yeah. Although it's OK to mourn about his death, and express your sadness, it's not OK to start a campaign over it.
Rock on,
Takama
I wouldn't really call this a campaign, more of an appreciation. Sorry if it came off as one... He was just a favorite of mine, especially after reading the mutran chronicles. I'll edit the post to make it seem less overbearing...
-gnm