As it appears that his team adequately researched the product's acceptance by consumers prior to its introduction, he is confused by the outcome. But to keep his team open to innovation, Rinn should acknowledge the team for their effort.
It is always important to make sure that a team or individual is given credit and acknowledgement for their efforts. When an individual or team works hard on something, whether or not it was the best outcome acknowledgement of their hard work shows gratitude for the time they spent but also keeps them motivated for the future.