Discuss how each of the five dysfunctions of a team, as described by Patrick Lencioni, contribute to the failure of teams in achieving their goals. Support your answer with direct evidence from the text.

Throughout the book, Lencioni emphasizes the importance of vulnerability in building teams. Why is cultivating vulnerability such a crucial step in establishing productive team dynamics? What makes doing so seem counterintuitive in a competitive environment? Provide direct quotations from the text in your response.

Discuss the key strategies for overcoming the absence of trust among team members, as articulated by Lencioni. Given your own observations and experiences, are any of these strategies more effective or important than others?