Recently the door plug blew out inflight on an Alaska Airlines Boeing 737 Max 9, causing rapid depressurization of the aircraft – and a shirt and two phones even flew out of the aircraft. Had anyone been sitting in that spot things could have been much worse.
To passengers, though, cabin interior maintenance matters. Passengers don’t distinguish between airworthiness issues and cosmetic ones. Indeed, the only insight they have into the likelihood that a plane is being well-maintained is what they directly observe, and they infer from there. In light of what happened to the Alaska Airlines Boeing 737 MAX 9, everyone is especially sensitive.