I've been wondering if they've just already lost the battle? The little bot collectives have gone metastatic and made nests in the walls and under the floorboards and heat sinks, the humans who care completely outmatched and outnumbered, freshly compromised systems springing up faster than you can squash them, finding months-old established colonies literally everywhere you think to look...

Have you (the commenter) or all of you (the readers of this comment) ever read "The Mote In God's Eye" by Larry Niven and Jerry Pournelle? Remember when they realize that the Watchmakers were actually in control of the MacArthur? This reads a little like that.