Sharing information on social media is common for many people nowadays, but it’s not always without consequence. In some cases, simple ‘likes’ can be used as evidence in court, as a Florida man recently discovered. His Star Wars and Minion ‘likes’ were presented as evidence to support allegations he may be a prolific BitTorrent pirate.
You should assume that dbzer0 will eventually get a legal request to turn over records.
It’s not very difficult to parse through database data for specific usernames and comments/upvotes related to that.
A determined judge would just make you pay for the time it takes to do so.