My theory is that unlike most people, (most) aspies pick up language by analyzing the pattern, and for that you use the best two sources for language patterns, TV and Books. Since both are designed to be far more clear than "normal" conversation, and are using a higher-level vocabulary, you very quickly run into social interaction issues, that in turn cause more differences.
It's a theory, I'll be waiting by my phone to collect my prize.
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Our first challenge is to create an entire economic infrastructure, from top to bottom, out of whole cloth.
-CEO Nwabudike Morgan, "The Centauri Monopoly"
Sid Meier's Alpha Centauri (Firaxis Games)