If that person kept coming back again and again with the same or similar comments, would you see the threat, this is what is happening here if you care to actually read the articles
If you ignore him, he'll move on to someone else soon enough.
Citation needed. You are assuming the trolling person is moderately rational and will go somewhere else if his selected target isn't yielding sufficient lulz. Unfortunately, it's all too easy to find stories of irrational people who escalate their harassment under such circumstances. Every few weeks there's a news story about some marginal person who loses the plot and goes on a shooting spree, so the risk of escalation is clearly non-zero.
