Grocery stores are experts at sales tactics throughout the store. All that fruit does not look so beautiful in the field, and virtually every store is trying to develop their 'ethos' to capture the customers with enough money to be able to care about that.

There is no way to avoid selling in life. Otherwise, at the least, you will be constantly overlooked. There should be no shame in it. The shame is only when sales replaces instead of presents the value proposition you are offering.