Imagine that someone had a really annoying mosquito bite. Imagine you had a tube of anti-itch spray you could sell to that person. It would be lose-lose of you to not at least inform the person of the option to buy.
edw519 is implying that the product he is building solves a pain and he feels ethically compelled to share it. That's good, that's smart. That doesn't mean that you can't ALSO make tons of money building trinkets and selling them aggressively, 'cuz many people like to be sold things, but it seems that edw belongs to category 1.