The mentioned user is always on the front page, and I never hesitate to flag all of their non-tech/startup links, which is probably 90 percent of their submissions. They post nearly once per hour. This user and three others are the reason I posted a similar recent rant about serial off-topic posting: https://news.ycombinator.com/item?id=30907198

I can call out usernames if you really insist, but that's a bit rude when some of them are on https://news.ycombinator.com/leaders