What can you say to people who speak offensively about police officers? Are they right?

No, they are not right. In any profession, there are people who dishonor it. By this principle, all people can be called criminals, because among people they are.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.