I used Qubes a few years ago. I highly agree. I found a very good looking theme for XFCE back then, but to make it usable I had to edit it myself and add the c

I used Qubes a few years ago. I highly agree. I found a very good looking theme for XFCE back then, but to make it usable I had to edit it myself and add the colored borders. It's been a while so no longer have all the files. It needs to look good right out of the box to help adoption.