Your look of disapproval seems to have overlooked why he said he was using it. He's clearly aware of your point, and even mentioned the uselessness: "Up to 1% savings" while explaining why: Google Page Speed is stupid.
Re:3 Problems AWS Needs to Address
by TazeTSchnitzel on Wednesday May 09, 2012 @01:15PM
(#3949508)
Yes, I was pointing out the stupidity of that further because you're compressing something twice.
To clarify the original comment: I think it's rather pointless to gzip a PNG file, since PNG files use deflate compression, the same method gzip uses, and hence it has very little real benefit, if any.