But the owner is offering the images up for free to the public. hiQ is taking those publicly-available photos and annotating them with, "red bike", "pink bike", "broken bike", "professional bike", etc.
You have to keep in mind that an entire generation was brainwashed that personal data isn't that "personal", so Google, FB and the rest can have amazing profits.
Most of these discussions are stained by general unawareness of the privacy and copyright law.
Ofc because the value of the data supplier (usually a single person, etc) these never reaches the courts, which just reinforces the ongoing misconceptions.
If you really want to test this, try copying the content from Google, Facebook hiQ or whoever that's big enough to go after you.
But people somehow believe that it's okay for businesses to do what regular persons aren't allowed to.