Much worse for who? Who does the police actually benefit today? and who is it harming? do you care about those people? The police are not even legally required to protect you, and don't in practice, why do you think they do anything to benefit society? Why are you so desperate to maintain the boot on your neck?
Thousands of people and organisations have answered your question in great depth over the years, all you have to do is be willing to set your obvious existing bias aside, and look.