They were called the Anunna, Amorites, Amurru, Seafaring kings, Shepard kings, but we are told they were called - Annanaki which is kinda a slur. We wuz in America first, before we wuz kangz. Why do you think Nazi's went to South America and Antarctica? Back to Aryan roots which lead them straight to advanced knowledge.

Of course.... the intelligence of a being who had to worry about seasons and survival knows how to plan. Thier offspring learn and become smarter. If every single thing is given to you you will never develop intelligence to go beyond walking to a stream or picking some fruit for your immediate gratification.