In fairness, the 757 was designed when Boeing was still engineering focused and is one of the best commercial aircraft ever produced. This airframe, N672DL, is 32 years old, so it was almost certainly an issue with Delta’s maintenance. It was also quickly repaired and returned to service the next day.

No one was criticizing Airbus when one of their aircraft was found the other day missing fasteners before a flight: https://www.mirror.co.uk/news/us-news/nyc-bound-flight-canceled-passenger-31941807.amp