> They didn’t bother wasting their time because the DA had made it clear in prior worse cases (with witnesses, including security camera footage) that they woul

> They didn’t bother wasting their time because the DA had made it clear in prior worse cases (with witnesses, including security camera footage) that they wouldn’t prosecute that class of crime. So instead of doing their job, they tried to do the DA's job instead. If they had still made the effort, but warned you it was likely to go nowhere, that would be entirely reasonable. They had justification to arrest the individual and try to get them connected with mental health services even if the DA declined to prosecute. Instead, the police showed up and blamed someone else for why they wouldn't do their jobs. None of this is to defend the choices the DA made about prosecution, but those choices don't absolve the police of the responsibility to do their jobs.