We've banned this account for repeatedly breaking the site guidelines, otherwise abusing the site (such as repeatedly deleting and reposting flagged comments), and ignoring our request to stop. Please don't create accounts to break the rules with.
"Lying" implies intent to deceive. You can't know intent from internet comments, so that's a personal attack, and personal attacks break the site guidelines. When another comment is wrong, it's enough to respectfully supply correct information.
Yes, we warned you 9 months ago, which means we warned you. If you break the site guidelines after we've already warned you, you're a lot more likely to get banned—and you broke them repeatedly and egregiously. This is not a borderline call!
https://news.ycombinator.com/newsguidelines.html