The camera exploits Canons face and scene recognition technology, which is scarily good in modern cameras.
It scans the space, picking out faces, preferring areas with a high number of people.
It will then compose and snap images, supposedly timing them just right.

Canon
The PICK switches automatically between still images and video, depending on what it sees.
Its impressive, but its not a human photographer.
is more important than being able to recognize faces or analyze the scene,“photographer Michael SandtoldLifewirevia email.

Canon
“And this is still a human job.”
But the camera really comes into its own when using the companion app.
And this is where the ethics and privacy become a little shady.
But the problems start before any sharing begins.
And even if its not, some guests wont be happy about being tracked and photographed automatically.
And then, what is the owner doing with the images?