Unique department name design

Summary:

Hi Team,

Can you please let us know the logic and design consideration behind why the department names have to be unique even in different sets.

Content (please ensure you mask any confidential information):

We want to undertsand from product team about the rationale behind this design.

We understand all the workarounds and solutions around this but we have question from our business and we need to understand the rationale for this.

Version (include the version you are using, if applicable):

24B

Code Snippet (add any code snippets that support your topic, if applicable):