What's the point of sharing the GPS coordinates and the street view pictures of the address? To attract LEA customers? To make others bring the drug vendors to justice? It's not your job to play police here..

That said, the article can be reduced to:

- they are using trained networks to classify images and make those tags searchable

- they are reading exif data from images and make that searchable

That's it. If it's a photo of pills hosted by some hidden services it's “illicit content” per their approach.