Listen, you can say "I don't think so" all day long, but the lack of sales says what you think is wrong. The product, as described, is not worth what you are asking for it. You _know_ this to be true because not one person bought it.
_Something_ will have to change in your offering to make it successful, so stop arguing with the people who disagree with you and start working on understanding _why_ they disagree with you. You will want to do this in a way that doesn't start by telling them they're wrong and then listing reasons why they're wrong as you've been doing.
_Something_ will have to change in your offering to make it successful, so stop arguing with the people who disagree with you and start working on understanding _why_ they disagree with you. You will want to do this in a way that doesn't start by telling them they're wrong and then listing reasons why they're wrong as you've been doing.