I know you're a human, therefore I know you cannot know what it's like to be a bat, as an objective fact, regardless of how you think you think subjectively.
> who objectively knows what it's like to be a bat.
Sigh. Thinking you know and knowing is not the same, especially thinking you "objectively" know something. Maybe you should read the article posted instead of commenting these sorts of sentences.
I have greater epistemic authority over what I know than others.