If written sarcasm isn’t properly labeled as sarcasm, per Poe’s law, you may consider that message you replied to be a genuine opinion. I would have downvoted

If written sarcasm isn’t properly labeled as sarcasm, per Poe’s law, you may consider that message you replied to be a genuine opinion. I would have downvoted the sarcasm (it doesn’t contribute to the conversation), but I believe it actually is the author’s opinion.