Links that supplement my speculations

That AI (artificial intelligence) is coming to replace humans (and UFOs are AI constructs from advanced civilizations elsewhere in the Universe):

http://www.sciencemag.org/news/2016/01/huge-leap-forward-computer-mimics-human-brain-beats-professional-game-go?utm_campaign=email-news-latest&et_rid=17179199&et_cid=241173

Consciousness is complex and maybe unreal:

http://www.sciencemag.org/news/2016/01/consciousness-may-be-product-carefully-balanced-chaos?utm_campaign=email-news-latest&et_rid=17179199&et_cid=241173

An advanced ant species (from afar) could pilot UFOs, if AI isn't your cup o' tea:

http://www.sciencemag.org/news/2016/01/leafcutter-ants-use-prehensile-legs-help-chop-leaves?utm_campaign=email-news-latest&et_rid=17179199&et_cid=241173