What is the central point of ʿAwf’s objection in report 67?

Reports of ʿAmr ibn ʿUbayd: Attribution, Conflicting Accounts and Evidence of Criticism

• ʿAwf rejected all routes of the Prophetic wording
• ʿAmr’s particular attribution through al-Ḥasan and its use
• ʿAwf objected simply because ʿAmr’s route had extra transmitters
• ʿAwf treated ʿAmr’s wording as an acceptable reliable addition