I can't provide much more of an answer, but from what it sounds like to me, you over-invested Mass Effect as "the story Bioware was telling you", and then felt utterly betrayed when the ending didn't meet with your expectations. To avoid bringing up those memories again, you're avoiding the whole setting. I would think of it this way, as the only time I've known anyone to definitively state "I'm never going to do that again" is when they make a conscious choice to avoid all opportunities where they might have to face that situation again. Old Fads and forgotten interests don't hold such a pull. If it's something you've outgrown, it would have just faded away, not be buried.
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI