Originally Posted by
jseah
The minor technical advantages are just that. An actual improvement to the Tau technological base, not an artificially limited gift from the sky. There's nothing to reverse engineer.
Besides, the Tau are still limited by their small size, any expansion will be small and will take some time. Ultimately, without the hyperspace drive, the Tau have no way to seriously destabilize the Imperium, while giving them valuable experience in dealing with Chaos.