I mean, he claims responsibility, confirmed the existing evidence, then states his motives which aren’t hard to understand for even those out of the loop. I think the brevity and simple reasoning speak volumes louder than some maniacs scribblings found in a cabin. The fact that even those considered Semliterate would be able to grasp the bulk of his message was likely intentional.

Its actually not shitty at all, presuming his purpose was to inspire a shift in public discourse around the topic.

If he wanted it to be the centerpiece of a dramatic documentary miniseries, then yes, it was shitty.