That wasn't perspective that changed.

It was the regulatory climate that changed, which allowed greed to overcome responsible public policy.

Combine loose regulations with greed and you get people enriching themselves with no care for the consequences.

Happens every time.

When 'pain clinics' became a growth industry, who paid the price wasn't of any consideration.

With a business plan that only needed a doctor with a prescription pad and a wholesale drug supplier willing to feed that retail 'street-level dealer', epidemic was the inevitable result.