The government of the United States has confiscated bitcoin, it has a lot of bitcoin and so maybe they could have "some" bitcoin for this type of offers, in any case the "money" ($) is left over.
This is not new, computer crimes have always existed and the rewards have been there even job offers for this type of individuals.
One of those confiscations and that according to the Treasury Forfeiture Fund will be used to fight crime:
This Bitcoin was seamlessly transferred to a government-controlled wallet, which, if forfeited, will be moved to the Treasury Forfeiture Fund (TFF). The TFF finances innovative law enforcement programs, like blockchain analysis tools and training, which will help agents identify and seize more illicit funds. Earlier this year, law enforcement agencies filed similar civil forfeiture actions against cryptoassets related to terrorism financing and North Korean hacking activities with the help of Chainalysis tools and investigative assistance.
Source: https://blog.chainalysis.com/reports/silk-road-doj-seizure-november-2020The government becomes owner with one of the addresses with more bitcoin:
United States v. Approximately 69,370
Source:https://www.courtlistener.com/docket/18607888/1/united-states-v-approximately-69370-bitcoin-btc-bitcoin-gold-btg/