So you're in favor of every US government agency, no matter how flawed or harmful, as long as it theoretically serves some important purpose?
Marijuana criminalization is necessary and it's childish to criticize it, because without drug controls, cocaine would flood the streets.
Life imprisonment without chance of parole is necessary and it's childish to criticize any use of it, because some specific criminals merit it.
Government censorship of any kind of speaker for any kind of content is necessary and it's childish to criticize it, because specific types of information (classified national security information, for example) require it.
Even worse than taking this kind of children's storybook view of the world is applying it to the US military among all militaries, with an incredibly long undeniable track record of incompetence and war crimes.
Marijuana criminalization is necessary and it's childish to criticize it, because without drug controls, cocaine would flood the streets.
Life imprisonment without chance of parole is necessary and it's childish to criticize any use of it, because some specific criminals merit it.
Government censorship of any kind of speaker for any kind of content is necessary and it's childish to criticize it, because specific types of information (classified national security information, for example) require it.
Even worse than taking this kind of children's storybook view of the world is applying it to the US military among all militaries, with an incredibly long undeniable track record of incompetence and war crimes.