How does Shuʿbah argue against al-Ḥasan b. ʿUmārah in report 74?

Narrator Criticism: Teacher Verification, Conflicting Ascriptions and Claims of Hearing

• By relying only on the notoriety of his doctrinal affiliation
• By comparing alleged reports from al-Ḥakam with al-Ḥakam’s own replies
• By establishing juristic consensus against every variant wording
• By dismissing every route merely because chains differ