https://devblogs.microsoft.com/oldnewthing/20040331-00/?p=39...

>During the Luna studies, that people’s reaction to Luna was often, “Wow this would be a great UI for X,” where X was “my dad” or “my employees” or “my daughter”. People didn’t look at it as the UI for themselves; rather, they thought it was a great UI for somebody else.

(Luna is the name of the default look of Windows XP)