What is the practical effect of regional qualification in evaluating Ismāʿīl?

Narrator Criticism: Corruption, Concealed Sources and Chronological Testing

• Classifying every non-Syrian teacher’s reports as fabricated without further analysis
• Assess Syrian and non-Syrian transmission separately
• Unconditionally authenticating all of Ismāʿīl’s Syrian reports
• Treating Syrian affiliation as conclusive proof of every chain’s continuity