When you underfund public services (police, NHS, transport, etc.), you pave the way for privatisation. Completely removing what is supposed to protect the average citizen. Make things fairer.
Considering the constant smear campaign against public spending and "socialist"-leaning policies in the last several decades (regardless if it literally directly will help people), situations like this particular one is but the tip of the iceberg of what austerity, poverty, and the pursuit for profit can do without being checked.
It won't happen to the affluent people. The disenfranchised are easy pickings for so many bad elements, Pakistani grooming gangs are one of the many roads an impoverished youth can find themselves associating with. And this is in the UK.
"We need more government funding to prevent situations like this from happening, but that sounds socialist, so let's not. Let's privatise it, or better yet, let's make an Uber Police."
A reminder that there's a bigger portion of abuse victims who were assaulted by members of their own families. If a lot of them aren't being helped by police, it's no wonder that this particular situation was over their head. They simply couldn't be bothered.