I'd probably do that. Give the link to a few friends. It's pretty harmless, sort of an automatic snapchat. It'd definitely make me more conscious of when I'm being watched by my webcam, and I'd definitely want to have an opt-out when it was about to snap a picture.
That aside, he seems to do this because it is pure nightmare fuel. This is the pic from right now: https://i.imgur.com/xuDp4Kk.jpg
There have been creepier once :P
Because we live in a surveillance society, and it's a way of reminding myself that privacy can be compromised. Some people put a bandaid over their camera, and forget about it; I always remember.
Plus sometimes it snaps hilarious pictures.
My buddy wrote up a quick git hook that took one every time you made a commit. It's kind of fun.