Hi Gianfranco,
the debug packages and symbols are not currently being created since I am using the pre v9 packaging mechanism.
I'm sure you remember - budgie-desktop is just very weird under debian & ubuntu and the standard debhelper - all packages seem to be generated but the desktop never launches :/
I look forward to the future budgie-desktop where the maintainer is to recode using C and it should be then possible to throw away all the pre V9 stuff and use standard debhelper packaging techniques.
As an aside, a new version of budgie-desktop is in the wings upstream - when this is officially released, I will retest with a standard debhelper packaging to see if the extensive changes in this new version fixes this weird debhelper build issue.
David