I see it as a basic Aspie right that obligatory social events do not apply to us. If I wanted somebody to come to an event I was going to, I would use a light touch in encouraging them, and if they were clearly unhappy about attending then I would reassure them that it was OK. Anything less would be social ineptitude, in my book.
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"He often attempted too much accuracy in his description of minute things." - John Hunter [Phil. Trans. R. Soc. Lond. 1792 82, p.128]