Also not shown is what they'll learn by the totality of the data they collect from your pictures such as how often you go on vacation, how often you're seen in new clothing and what kinds of clothes you typically wear, your health, what types of foods you eat, social graphs of everyone you're seen with and changes to your relationship status over time, how often you consume drugs/alcohol, your general level of cleanliness and personal hygiene, etc.
Even a handful of photos can give companies like Google, Apple, and Amazon massive amounts of very personal data but nobody thinks about that when they pull out their phones to take pictures or install a ring camera on their front door.