It's godamn 2457, robotics has gotten so advanced that there's an AI which controls the whole EXTRANET. Who's to say that a IPC can't be given a law set to make it loyal, download the needed infomation, and be programmed to be a good head? Hell, if I was working on the station, I'd trust a IPC to be a better leader than some wierd-as-hell 7 foot black lizard that likes to use pepperspray, brutally kills mice (Which, IMO, is a sign of a psychopath.). Or a constantly grumpy cat that insults everyone for a minor fuck-up and never tells anyone they do a good job.