#212: When, if ever, should we refuse a customer?

We talk about Ed's launch of his new product line.

That leads into a meandering conversation about ethics and personal beliefs and values. In particular, when a customer signs up for our product and then we discover that customer is in a business that clashes with our own beliefs and values, what should we do and what can we do?

When is it right, ethically or legally, to refuse a customer?