Playing for a first down

Whilst watching the Bengals v. Ravens game one of the commentators said something interesting about the Bengals. Multiple guys on the Bengals offence said that this year their mentality has switched from playing to get a first down to being able to do more with the ball. Previously in the D4 era, I was expecting every drive to end in a TD. This year my expectations have reduced to, just get a first down. This also lead me to look at what my expectations were for the defences. Previously it was turnovers, 3rd down stops and key third down stops, these were rarely met. This year I hold the same expectations and they have been met more often. Specifically the turnovers, 8 this year after week 7 where as 8 for the whole season last year. Overall the offense has dropped off due to the departure of D4 and the reliance on a rookie QB. The defences has improved inspite of the drop in talent. I'm very optimistic with the regime.