 It argues that the main role of police is to protect the government, rather than the citizens.It contrasts the police with private defense agencies, which would focus on preventing aggression and whose officers would lack immunity for any offenses they might commit.It also notes that insurance companies might sell policies covering the insured against loss resulting from any type of coercion and that these insurers could bring unruly defense agencies to their knees through ostracism and boycotts.