Charitably, I think the idea is something along the lines of: "Disclaimer: I take no responsibility for you mistakenly assuming that this comment is a independe

Charitably, I think the idea is something along the lines of: "Disclaimer: I take no responsibility for you mistakenly assuming that this comment is a independent review by someone unaffiliated and impartial.". (Though practically, it's probably just sloppy phrasing in a context where that sloppiness isn't much of a problem.)