Just yesterday I was about to downvote somebody for what I thought was a ludicrous suggestion. But when I started writing a reply, I realized that a), he may ac

Just yesterday I was about to downvote somebody for what I thought was a ludicrous suggestion. But when I started writing a reply, I realized that a), he may actually have had a point, and b), though I was still sceptical, I didn‘t actually understand the issue well enough to refute him.