Ideally, someone should submit a patch to developer.blender.org
that lets Visual Geometry to Mesh
/Convert to Mesh
work with Empty
objects.
For now, the bundled .obj
exporter seems to do a good job of applying all collection data congruously. You might also try reading its code to extract an independent workaround or figure out a fix for CTRL
+A
/ALT
+C
.