No.
They're primarily focused on money laundering, trafficking illegal goods (mostly drugs, but a lot of weird ass luxury bullshit, like endangered animals).
The PR is to keep people from realizing what the charity actually does.
Having one source of income going into a charity is easy to track, and makes it easy to identify the fraud/criminal activity. Have a huge ladder of charities to shuffle the money through makes it easy to "lose" a ton of cocaine, or "lose" a few migrant children.