How do «السَّتْرِ وَالصِّدْقِ» (respectable standing and truthfulness) relate to «الْإِتْقَانِ» (precision)?

Ranks of Transmitters: Precision, Consistency, and Fair Comparison

• Sitr means every report is as accurate as that of the strongest peers
• Respectable conduct and truthfulness are distinct from exceptional precision
• Precision is simply another word for piety
• Once sitr is established, route comparison is unnecessary