NFL midseason report: Predicting final records for all 32 teams

We're officially at the midway point of the NFL's first 18-week season. What are the biggest takeaways and questions that need to be answered?
https://www.espn.com/nfl/story/_/id/32545078/2021-nfl-midseason-report-learned-questions-record-projections-all-32-teams?utm_source=dlvr.it&utm_medium=blogger