This task proposes to ignore instancing when reporting statistics.
Currently statistics ignores instanced duplicates.
I'm not sure if this is desirable behavior, because for many use cases
the final poly-count is significant:
- Polygon budgets for 3rd party engines.
- General performance, since instances add overhead.
The down-side is that there _are_ cases where you might not need to
be aware of the extra geometry created by instancing - for file-size,
or in cases the instances end up not being duplicated in memory.
Posting this since there is a patch to show geometry for selection
that doesn't make much sense with the current behavior - see: D5762: Show the number of verts & faces for selected objects in object mode