Because she's super-special and made from a living brain? Because maybe Cortana and Sloan were made by different processes, had different occupations, and operated on different hardware, and therefore options were available to Sloan that weren't available to Cortana? Because maybe 343i's reliance on scanned body models and mo-capped animation in Halo 4 meant it was too expensive to make three or four different models for Cortana to show her degenerating over time?

: Because fictional worlds aren't real, the creators can invent a reason for
: anything to justify their own prejudices.

Ja, there's no need to engage with the argument at all. No need to consider the explanations when you can just leap into 343i's collective head and diagnose what's really wrong with them.

I agree with you in principle, I just have a bone to pick with your arguments and am feeling particularly contrarian today. It was probably that extra pot of coffee.