In IT management, governance, and leadership, it is perhaps more important than anywhere else that responsibilities are clearly defined for each role.
Relying on a person's seniority alone does not reveal how they will behave in situations with unclear responsibility. They will simply either not take responsibility or take it.
Most engineers cannot take a firm stance in situations of uncertainty. That's why they're engineers. In a situation of unclear responsibility, they take action that aligns with their overall psychology.
However, in IT, both choices statistically lead to an increase in your applications' technical debt.
Only an small fraction of people make the right choice in this situation.
