I’m not a cat person and I agree on what is the point of skinning one so can’t imagine why this started. It’s not like they used to make cat fur coats so the phrase had historic context. Or did it?
What is a better idiom to reflect multiple effective solutions?
I think it’s necessary and proper for us to acknowledge that, though a particular practice may be abhorrent, there can be numerous methods through which to accomplish it, ostensibly with a variety of potential merits depending upon the needs and preferences of the individual contemplating the practice.