I'm not most people, I interpret Bobby Slowik as an example of firing, I interpret unable to come to terms on a contract as unable to come to terms on a contract. your need to warm up to McCarthey is likely why you interpret what happened to him as a firing, it supports how you feel about him as an option.
I agree the Rooney rule is a sham, I hate it. Just ends up w/ minorites being called forward on sham interviews just to check off a box.