the machines of the mother system are here right this moment , all around you , and they will become more .
this could be a topic all by itself , but the easy answer is... machines are form follows function ... what a machine does is defined by the need it solves more than a thinking aware process.
The machines we have aren't even remotely similar to what you're suggesting. Your claim that humans will go extinct followed by machines spreading throughout the galaxy is nonsensical.
Edited by Rlyeh, 10 February 2013 - 10:34 AM.