Kim found his real family.
They claimed that he had found his way home on purpose because it was written into his dna as a genetic imperative like he's a fricking Salmon.
Which means that Kim somehow subconsciously in the pilot triggered Caretakers attention to nab and rape Voyager.
She finally figures out that it's all Kim's fault and not a tot is it her complication no longer and rather than keel hauling the bugger for forcing her to mistakenly face such terrible demons from the guilt of stranding her crew in the back ass-end of no where, Kathy sends Harry on his way to be eaten by duplicitous space vampires.
Methinks Kathryn knew that they were duplicitous space Vampires all along.