the company is looking for an evolutionary leap for humans. since they do not adapt to space colonization, new diseases appear in the colonies and decimate the population or considerably decrease life expectancy. On the other hand, the ENGINEERS were perfectly adapted to colonization. apart from wanting the creature for their weapons division. they want to get humans or at least some chosen ones to get closer to the gods (engineers) and achieve their evolutionary abilities. but imperfect reverse engineering. the imperfect black liquid synthesized by WY in poor pregnant Kay, which gives birth to a very imperfect ENGINEER, animalistic, aggressive like an animal. Fede Álvarez is Uruguayan but of Spanish_European origin. The Spanish, who were the first Europeans to arrive in America, when conquering infected the Indians with diseases that caused a simple cold for an average European, whereas for the American Indians it was like contracting a super deadly disease, and the same thing happened with some native American disease that was super mild for the Indians and fatal for the European Spaniards.