Unintended consequences of social entrepreneurship can often lead to:

The answer is ethical dilemmas

social entrepreneurship aimed to obtain as much profit as possible while providing aids for both social and environmental issues at the same time.

Often times, both of these aims contradict each other, which lead to the Ethical Dilemma

For example, in order to obtain maximum profit, it is far cheaper to dump production waste to the river rather than spending money to create proper waste management system.