It isn't hard to understand the appeal of these things, really. A lot of people hate wires and are willing to give up a lot in order to live without them. Even better if clever marketing tactics are able to hide the downsides.
Here is IPVM's estimation of 1080p @ 140° horizontal field of view, as specified in the Kickstarter.
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Yes, it is actually really a very short ID distance based on 100 ppf and 140 H FOV ( note, they maybe playing games like some others and this may actually be the D FOV )
Comparisons of similar res and H FOV cameras:
Ring Spotlight Cam wired / battery / solar 1080p at 140 degrees: 7.86 feet { 75.44 sq feet covered }
Ring Floodlight Cam 1080p at 140 degrees: 7.86 feet { 75.44 sq feet covered }
Eufy EverCam 1080p at 140°:
7.86 feet { 75.44 sq feet covered }
Yes, that's less than 8 feet!
Surprising how many people just want a super wide FOV.. and ease of install