There is nothing "important" about the comment I'm replying to, it's well below HN commenting standards.

.. and yes, I see it's flagged/dead now.

If you go to the Google ngram viewer you won’t see a single occurrence of whataboutism before 2006. I’m not saying it was coined at the Liberals Coining Scare Words 2006 conference, but use of the word is a hallmark of a shitlib hypocrite. Whatabout and whataboutism are two different words.