3. Federal prosecutors are resource-constrained and don't like to lose, so they only prosecute the surest cases.
Imagine you offer a great soccer player a million dollars if he can shoot 50 goals in a row, and he gets to choose the defenders and goalies. He's probably going to choose children to go against him.
Or, look at the Sam Bankman-Fried prosecution. The DoJ could've gone after a lot more people, but chose to use them as assets to get SBF, the kingpin. The beneficiaries here are the mid-tier criminals.
