How do people not notice/clue in?

How do people not notice/clue in?

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Bonus Story: Another user submitted a ticket because they rebooted and could no longer access a shared drive as they needed the admin login credentials. I truly don't understand how these people manage to survive..

Laptops these days tend to come with a physical cover for the built in webcam. Most of the users clue in almost immediately, but one however wasn't convinced when I said there was a physical cover. They also helpfully included a video of the video that the webcam records (30 seconds of black). Thankfully they sent a picture of their built in webcam showing me that there clearly was no cover for the camera. There's been at least 4 tickets submitted over the past month due to "Teams video only shows black". I first noticed it within a minute of opening the laptop to set it up for users, it's not that hard to spot or figure out that it's there.