I wouldn't have killed it. Not because it's a spirit animal, because I wouldn't have known, but how often do you see an albino moose?
Still, people need to get off the hunters' backs. After all, how do they know this wasn't the spirit moose's plan? There might be some Obi Wan shit going on here.
“Activism is a way for useless people to feel important, even if the consequences of their activism are counterproductive for those they claim to be helping and damaging to the fabric of society as a whole.” - Dr Thomas Sowell