I worked at 2 companies since graduating. The first company had a DevOps guy that was strictly not programming (setting up AWS things, CI, etc). It was clear that programming wasn't his skill. Although he was able to learn it, he wasn't hired to write code. The second company I worked at, DevOps engineers were software engineers/computer science majors. They could immediately switch teams to a write-code-only team and be qualified.
Not exactly a listening device, but I was in an AirBnb once. Every time I would open the door, I could hear a notification being played in the upstairs unit. It wasn't the back door that caused the notification, but the actual door the apartment I was staying in. It was displeasing.