The talking snake in the beginning of the story had overlapping scales. it would be fitting then, that the story ends with an overlapping generation.
WT has a history of coining names, The biblical "Israel of God" (Gal 6:16), resurfaced as "Spiritual Israel."
We anti- Nazis hat a saying in the 30s, 40s, taken from the Nazi anthem : " -im geiste mit-" marching along [only] in spirit, in other words: non existent. so:
go ahead, the imaginary, symbolic spiritual generation.