One thing's missing from the analogy. If there are wildflowers---escaped varieties of flowers that man deliberately bred---or wild dogs---escaped varieties of dogs that man deliberately bred---that implies there is a garden, or a group of trained dogs, that IS still under control.
Is there a Zha'Tahn equivelent? A garden, a dog pound, as it were?
Stay tuned.
Lafferty wasn't telling Frost all this without a motive. He's not the type. There's been a reason he's confronted Frost...
Don't you love a mystery?