However, Seymour also traces the origins of Hitchens' neoconservatism to his earlier support for causes such as that of the British government in the Falklands War and his view that the Roman conquest of Britain constituted "a huge advance" in the development of the region.

Gregory Shupak, writing for In These Times, a left-wing magazine, argued that Seymour, with his "gift for reeling off an entire firing squad's worth of bullets in a single sentence" was also "plainly a caliber of intellectual that his subject is not.

"[3] In a similar vein, Doug Enaa Greene of Links International Journal of Socialist Renewal characterised Unhitched as "a well-argued, concise and powerful brief that can leave no doubt that Hitchens is guilty.

[8] Writing for Newsweek, an article titled "A Nasty Piece of Work" by James Kirchick described Unhitched as a "tawdry new book"[9] that, among other things, included unsubstantiated claims of plagiarism and unfounded personal attacks.

[10] Reviewing the book for the Irish magazine Red Banner, writer Kevin Higgins noted Seymour "lands many heavy punches" on Hitchens' reputation, and that "Unhitched is well written, if a little verbose in places".