[optimiz3]

The painting. Cats are one of the most invasive species in the world, accounting for countless loss of bird populations and other species (toxoplasma infections in seals for example).

Mona Lisa is irreplaceable. The world won't miss one more cat. Losing an irreplaceable piece of history makes the whole of humanity poorer.

Cats have the evolutionary benefit of being cute to humans. Would you even consider saving say a rat or an eel in such a situation?

[CreepGin]

Also human affection to pets are flawed. We say we love them but yet we mass neuter them, feed them the same food everyday, put them on leashes, and confine them in small spaces.