C’mon Gunner, this is a bit simplistic. In reality it’s a bit of both. The offense put 3 points on the bored then the defense collapsed on NE 2nd drive. Allowed a nearly 8 min drive, putting themselves in a lot of 3rd and short situations. Making for easy conversions.
The defense after 3 New England drives, including a turnover, had been on the field for 18 mins! You don’t think that’s a little bit of their own fault? They allowed a 17 play drive, that started inside the 1, that almost turned into 7 but fortunately they held them to 3. They could not get off the field on 3rd down.