"Don't be snarky."

"Please don't post shallow dismissals, especially of other people's work. A good critical comment teaches us something."

https://news.ycombinator.com/newsguidelines.html

It wasn’t sarcasm. I was being sincere.

I believe you, but a comment like that is going to pattern-match to the internet default, which is snark, in nearly every reader's mind.

I think you are overreacting here, his comment was definitely not interpreted as sarcastic. Quite the opposite, it was showing appreciation for what an achievement QuickJS is.

I was not being sarcastic!!