The Iliad was written after the classical era of Bronze Age Egypt, so no classical age mummy could be buried with the Iliad because it didn't exist yet.
I think the point was that it would be a lot more interesting had it dated to a time prior to people for whom the Iliad was part of their culture were present in the region and when such artifacts would have been normal-ish
Finding american freed slave papers in a grave at Valley Forge -> ever so slightly interesting, we know those people were around there at that time.
Finding american freed slave papers in a grave outside an 1870s British encampment in Sudan -> very interesting how did this get here.
Or kind of like how finding Christian stuff in a roman grave varies a lot in implication by the year.
Finding american freed slave papers in a grave at Valley Forge -> ever so slightly interesting, we know those people were around there at that time.
Finding american freed slave papers in a grave outside an 1870s British encampment in Sudan -> very interesting how did this get here.
Or kind of like how finding Christian stuff in a roman grave varies a lot in implication by the year.