Why do we seem not to care much one way or the other?

So I really don't care one way or the other.

I didn't care one way or the other for Dad.

But they also did not seem to care much, one way or the other.

I don't even know why people care one way or another.

"I see no reason for you to care one way or the other."

I was starting to not really care one way or another.

He didn't seem to care one way or the other.

Her voice told me that she didn't really care, one way or the other.

Most seemed not to care much, one way or the other.