Another point of view: at no time is any human being irredeemable.
It's refreshing to see a viewpoint that doesn't jump straight to throwing bad guys to the wolves.
Look at who is running the world now.
If by well-received you mean upvoted, that alas isn't enough to ensure that commenters are following the rules. If it were, HN wouldn't need moderators.
The question is; would you rather give this guy a second chance or give that chance to someone else who hasn't yet had any opportunity to prove themselves (there are many of these)?
You give second chances to people who make an honest mistake. This is not an honest mistake. It's fraud. He is rotten at the core. He goes straight in the trashcan.