From Fallen London Wiki (Staging)
This is my official word, without any benefit of anonymity: yeah, MAGCATS was always a dumb acronym. And it was pretty close to the dumbest of all the proposed acronyms (all of which were pretty dumb). I'm glad people have moved past that stupid period in our history, and have forsaken using any acronyms at all for these stats. Good riddance to bad rubbish.
Besides, any excuse to remove a cat from where it doesn't belong is usually worth it.