There are books, both fiction and less so, and then what really happens.
The reasons acquiescence seems an acceptable behavior are:
1. Most people are rarely inconvenienced by arbitrary overkill. It is persons deemed "undesirable" (appearance or manner) that are subjected to disportionate punishment on a routine basis that makes the overkill seem acceptable to them. It is often shocking to learn what people have been forced to endure.
2. There is a modern concept that the government is the only legitimate holder of the absolute monopoly of violence, which necessitates compliant "good" people, which should be helpless and defenseless. This also requires justifying one's business and unlimited access to search physical person, property and digital life, so as to have "nothing to hide." But it's only the fool that hands over the keys to their own destruction by persecution by a voluminous and arbitrary legal bureaucracy.
3. The majority and privileged agree by consent through silence to the ends that the police are "correctly flushing society" of those they deem "undesirable." In their view: "If that's you, too bad (overkill is legitimized, and you're not important so it doesn't matter what we do to you anyhow).