This is pretty bad. That pretty much destroys the credibility of Reddit's commenting system in a single act. No one can look at the integrity of the comments written by others the same any more.
People have the power to do a lot of things. You have the power to quite easily lie, cheat, and steal in this world. When you run a website, like when you run a business, you have to convince your customers/users to trust you not to do those things.