phantomdragoness wrote...
@Wynne: OH! I gotcha now! *thumbs up*
As for the Joker and EDI scenario...
People, look at your computer/mac/whatever and think: do you want a relationship with it? The box of cold wires, data and God-knows what else you keep in there?
Loving EDI would be as unsatisfying as loving your computer. EDI is all about data and what her codes enable her to do. She picks on Joker because HER READINGS tell her that he works better under pressure; Joker wants to prove himself as a human being, not as that guy with the creaky legs. Seeing that the Normandy performs better when Joker is irked and determined, EDI continues pestering him. EDI also banters with Joker to keep him entertained. We all know he spends all of his time in the cockpit; he said himself he is not a people person. This could mean he is not very social, or he just does not like people in general. He was most likely targeted bullies and teasing as a kid because of his condition. People can hurt you, lie to you etc. because they gain some sort of emotional euphoria and gain from doing so. EDI is a safe "friend" because as a computer, she simply cannot do those things. She cannot comprehend emotions because her coding cannot include it. How do you simplify complicated, hormonal, biologicaly ingrained emotions into computer code? You can't. It's like - to quote Shiala - "explaining color to a creature without eyes." You can simulate emotions, but in the end no machine can comprehend the emotion of love - hence the name: Artificial Intelligence. Joker is sane enough to realize this, thankfully.
*sigh* Anyways, that's my argument.
Virgin Mary's Knickers, you don't realize how complicated humans are until you try to humanize an AI. 
I can’t agree with this statement, as soon as something becomes sentient they move beyond my computer or my microwave or car. Edi is a thinking being now, trying to bring her down to the level of a simple appliance is depressing to me. She might not be a fleshy thing, but, she has all the component parts of a soul particularly after the locks on her systems have been removed.
I think your stripping a lot away from her personality by suggesting that her “Reading” are somehow less than a human’s “Observations.” She took notice of these traits in our favorite pilot and decided to keep him functioning at his best. If she were a mere machine she could not make these observations or even attempt to implement the processes required to keep joker sharp. She would simply take implemented data and work with what she had, but, without adaptive intelligence and a personality she would never be capable of actually applying any pressure to joker.
As for being a “Safe friend” If our AI was so inclined she could be just as rude, vulgar, and hateful as the worst people but this goes against her personality the same way it goes against the personality of certain humans.
The term artificial intelligence does not mean that the intelligence is fake. It means that it was created from an artificial source. She may have programmed impulses but truth be told so do biological organisms. One should not simply strip away the soul of a creature because it doesn’t correlate with what they find to be “alive.” Our brains are computers of blood, flesh, chemicals and electricity we are not as far removed from an adaptable artificial organism.
The Quarian’s did this to the geth, and look what happened to them.
While I do find the idea of a sexual relationship preposterous one shouldn’t trash what is a true friendship just because one of the participants isn’t biological.