In the context of Scrum, provide:
One example of how Scrum Team members could act unethically and cause harm to each other.
OR
One example of how members of a Scrum Team could act unethically toward their stakeholders.

At a Sprint Review the Scrum Team and stakeholders inspect an Increment and discuss a Product Backlog item that is not done, because the required documentation needed for the Product Backlog item is not complete. The stakeholders are happy with the outcome and push the Scrum Team to put the product in the hands of the customer immediately.
You are the Scrum Master, what do you do with respect to the Increment and the push by the stakeholders to put the product in the hands of the customer immediately?

In what ways does the Scrum Master attend the Sprint Retrospective?

In the context of Scrum, what is your understanding of an impediment?
Provide one example of an impediment and one example of something that may mistakenly be characterized as an impediment.