Having read that article, it starts of as an infomercial with typical ranting and raving.
Then after 300 odd lines they say lets show it with some concrete examples
Then after running the openssl command 3 times without breaking anything they conclude with
EDIT: BTW padding is often required in encryption because they need to encrypt blocks of certain size and not all files have exactly the right number of bytes.
Perhaps the real question is "Was this a serious article?????"