Philip K. Dick’s, Second Variety, exhibits rapidly self-replicating claws as a military strategy. Computers and robots with learning algorithms can be trained. Once trained, the new units with improved skills, including thinking skills, can be transferred between units very rapidly. Perhaps even the initial leap to sentience may be passed on in this way. An instruction as simple as "keep humans safe" could be translated by the remorseless digital logic of a machine as "entomb everyone in concrete
