[spyder]

Third: If something gets disconnected than the computer knows about it, and reports it.

Forth: It's probably not that easy to dislodge anything because in flight it has to survive more than an elbow.

Fifth: there are covers on the devices and cabels where they think it's necessary because of human movement, you can see it in the video here: https://youtu.be/241-5DZyons?t=152