One thing that must be noted re: the potential “profit” angle (barf)—-these guys who provide the demand for the supply chain, they have jobs and money, otherwise there wouldn’t be any money to be made to begin with.
Example from just 2 days ago:
Feds take down the world's 'largest dark web child




marketplace'
Oct. 16, 2019
“The now-shuttered English-language site, called "Welcome to Video," contained (link to documents:
more than 200,000 unique videos ) or almost 8 terabytes of data showing sex acts involving children,
toddlers and infants, according to the 18-page criminal indictment unsealed here Wednesday, and processed 7,300 Bitcoin transactions worth more than $730,000.”