As the smallest icon images available in icon themes are 16x16, and icons at 8x8 are barely visible or understandable, and the icon labels underneath them are also not visible at this resolution and instead are '...', it would be good to increase the minimum size to 16.
Created attachment 9693 desktop with 8px icons
Created attachment 9694 patch
Yousuf Philips referenced this bugreport in commit 5ec25f3dbc2e24a07964e1d18e0ac7fe582da68f Increase minimum desktop icon size to 16 (Bug #16667) https://git.xfce.org/xfce/xfdesktop/commit?id=5ec25f3dbc2e24a07964e1d18e0ac7fe582da68f
Makes sense, thanks!