Dear Crisp Apples,
You are correct pointing to the five issues as major problems, but these are the symptoms of the root problem, namely, a restrictive organizational design.
Vulnerability, or invulnerability, does play a role with trust, but not as much as honesty and integrity. Hence, the importance of creating an organizational design conducive to ideal-seeking behavior: https://www.linkedin.com/pulse/lean-design-efficiency-innovation-jc-wandemberg-boschetti-ph-d-
Best regards!