Tab Group Favorites appears to be a Safari function: <https://support.apple.com/guide/safari/edit-and-customize-tab-groups-ibrwd0cea393/mac> Edit and customize Tab Groups in Safari on Mac - Apple Support

<https://support.apple.com/guide/safari/group-tabs-ibrwa2d73908/mac> Group tabs in Safari on Mac - Apple Support

But couldn't find any reference to jaybass's desktop folder. I suspect it might be another of those oddities that can be deleted only from another volume, but let's see what its permissions have to say.

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire