> There are surely cases in life in which you know for sure that crime is being committed

These are the cases of having evidence, right? Which should be reported.

> I should be able to run my business according to those ethical choices. My company isn't sending someone to jail. They are just refusing to accept a payment. There is no need for due criminal process to refuse a payment.

And if two or three large businesses cover 99% of a given market (payment market), how about some anti-monopolistic legal protections? Them colluding to stop the meat industry, continuing your example, would be a monopolistic practice.