My dad was a salesman, and a really good one. He absolutely maintained that it was both counter-productive and morally wrong to sell people things that they di

My dad was a salesman, and a really good one. He absolutely maintained that it was both counter-productive and morally wrong to sell people things that they didn't actually need or want. On the other hand, if you have a product you believe in, that is high-quality, and that improves the lives of the customers who could really use it, he felt it was morally wrong NOT to sell it to them. YMMV.