It's just a crazy theory, but maybe also demonstrates how little we know.If meta alloys are actually their embryos, then Thargoids are even dumber than they look.
Who are they, for Darwin's sake, some amphibians or reptiles? What kind of unevolved species leave their precious offsprings unattended all around the galaxy?
That's so paleozoic, lmao.
But IMO it's no longer relevant, now they're at our doorstep and hostile so best to just kill them all with extreme prejudice.