Abuses of power happen, and are bad, but changing a comment on an internet forum is about as low down on the scale of seriousness as you can get.
The only real problem I can see is that people (at least, here in the UK) have been charged with crimes relating to something they've posted on reddit. Clearly, that's ridiculous if there can be no expectation of proof of authorship.
The only real problem I can see is that people (at least, here in the UK) have been charged with crimes relating to something they've posted on reddit. Clearly, that's ridiculous if there can be no expectation of proof of authorship.