This idea popped into my head and I was wondering if perhaps this will be a major plot point later - Saren added geth components and became a cyborg that was later controlled and possible resurrected by Sovereign. Now that Shepard has cybernetic components added to resurrect him, won't he be running a similar risk of getting controlled by Reapers?
shephard's implants were purely for cellular regeneration. converting dead cells and tissues into living ones by Project Lazarus. not for control.