I can't believe people are taking your comment seriously. How far has reality moved into parody, if a comment saying you'll be happy to blame ChatGPT when people die doesn't go far enough to give it away?
Maybe they're just replying without having properly read your post, but that's not great either.
Sad but true; these days you read so many news stories that you first think are satire, but turn out to be true, that sarcastic comments are increasingly difficult to recognize as such without the appropriate notice.
It's not hard to believe. Over the past few weeks, I've read several very serious comments that express a similar attitude, although not quite as blatantly.
Maybe they're just replying without having properly read your post, but that's not great either.