I try to avoid both commenting and downvoting, but I'll make an exception here. Your comment is pedantic and unhelpful. When the guidelines say "someone", they mean "someone else". This is to avoid derailing the conversation with accusations that one cannot prove. It's just fine to state that you yourself either read or did not read the article. In this case, I appreciate the poster's honesty, but would encourage them to read the article anyway so as to more accurately address its flaws.
I don't think this rule is intended to encompass comments about yourself.
If that's what @dang meant, the guidelines should be clarified.
Such a disclaimer is valuable when the commenter hasn't read the article themself.