Thanks for your reply.
I can understand the decision to display suer hierarchies and attribute hierarchies in a different manner, and indeed Excel does so too.
However, in my example I use only user attribute hierarchies. The issue I raised was that Telerik's FieldList displays a user hierarchy as if it were an attribute hierarchy if that hierarchy has only a single level.
I have attached a screenshot of Excel displaying the same field list. Note the highlighted 'Hierarchy' under 'Request'. I also attach a screenshot of (trivial) dimension structure, showing that 'Hierarchy' is truly a user hierarchy.
Hope this helps,
PS. I realize PivotGrid is still in beta, hence my attempt to get things fixed before final release :-)
If you prefer me to contact support instead of using the forum, please do let me know.