Agreed. The police certainly aren't perfect, but it's also easy to criticise without knowing the background to pressures and constraints and budgets etc etc that the police are stringently subject to.
Also, it might be that the PF decided that it wasn't worth taking anywhere, so the police actually decided to have a word so that at least something was done, in which case they may have actually gone beyond what was required.
All conjecture of course, unless we know every step the police did and didn't take, and where it was moved within the justice system.
I've had disappointments with the police, but also been very impressed with how professional a lot of them have acted despite clear (politically driven) issues they are having to face. And have had recent cause to call them about some seriously suspicious activity, which they responded to in a very quick and serious deterrent fashion.