Though it shares some elements of propagandistic tone, the Tau Manifesto is unlike Swift's proposal in the most important sense, in that it's perfectly serious.

Though it shares some elements of propagandistic tone, the Tau Manifesto is unlike Swift's proposal in the most important sense, in that it's perfectly serious. Using the phrase "a modest proposal" in this context was a dubious choice (to say the least). I've changed the section name for clarity.