Final answer:
Advocating for specific vendors and IT technologies is not a critical manager responsibility for capturing real benefits from IT. Other responsibilities such as smoothing the way for its successful introduction and adoption, identifying appropriate opportunities for IT, and mitigating its associated risks are important for capturing real benefits from IT.
Step-by-step explanation:
The critical manager responsibility that is not related to capturing real benefits from IT is advocating for specific vendors and IT technologies. The other options mentioned are important responsibilities for managers when it comes to capturing real benefits from IT:
- Smoothing the way for its successful introduction and adoption
- Identifying appropriate opportunities to apply IT
- Mitigating its associated risks
By focusing on these responsibilities, managers can ensure that IT is effectively utilized and its benefits are maximized.