He made a powerful critique of Zaydism, arguing that many Zaydi theological and legal doctrines have no basis in Scriptures. Meanwhile, Zaydis believed that their Imams of Ahl al-Bayt (Prophetic family) had stronger authority than the Sunni hadith collections; which was the heavy focus of Shawkani's approach.
He conducted a powerful critique of Zaydism, asserting that many Zaydi doctrines are not supported by Scriptures. At the same time, Zaydis believed their Imams of Ahl al-Bayt had greater authority over Sunni hadith collections; this was Shawkani's main point.