[ziftface]

It's also worth noting that reddit admins have maliciously modified comments in the past.

[mandmandam]

This one in particular, in fact - Steve Huffman, aka spez. Google "fuck spez" to see just how popular this guy is.

Same guy who un-personed Aaron Swartz, claiming he wasn't a cofounder after Swartz died, and removing him from Reddit's founder page.