For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don’t want to reach under the roll to take a piece! That’s ludicrous!
That or my recent addiction to correcting people when they use “less” when they should use “fewer”
“I could care less” is almost always said sarcastically. A hallmark of sarcasm is saying the opposite of what you mean. So, a sarcastic “I could care less” implies they could not care less.