Damn, Billie Eilish's brother is really edgy and angsty
Um. In all seriousness, it's not worth engaging past the uh.. Current reply. All you'd be doing is give this person another opportunity to keep being hateful. Just report 'em and move on.
Edit: Is there a way to report a user??? I found a block option.. which yea, sure, that'll stop me from seeing a user but it doesn't do anything about their behavior.