If you want a technical "why", it is because of how Sage stores the grid data. UserKey is either the specific user, or ########## (for all). There is logical way to reference a "group" with this method.
Note: user-specific entries in this table don't get deleted if you delete the associated panel (since you can see above the table key doesn't reference a specific customized panel).
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Kevin Moyes
Technical Systems Analyst
Munjal White Consulting Co.
Toronto ON
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