I genuinely didn't know :-). I don't generally downvote comments I reply to. I don't downvote when I disagree, I downvote when I believe the comment is very low

I genuinely didn't know :-). I don't generally downvote comments I reply to. I don't downvote when I disagree, I downvote when I believe the comment is very low quality, in which case I don't engage at all.