Also, it ignores the clear intended meaning of the work to attack the artist for a completely different interpretation.

To be clear, I am fully in camp Death of the Author, but if that is how you analyze art, you do not also get to attribute your interpretation back to the original artist.

This is particularly annoying in this instance, because "your argument just proves my point" is a thought terminating cliche that is highly utilized in this particular discourse, from the side that the commentator appears to be from.