Because negotiations (thus salary negotiations) aren't about spreading disagreement, but about making an agreement with which both sides can cope. Thus if you

Because negotiations (thus salary negotiations) aren't about spreading disagreement, but about making an agreement with which both sides can cope. Thus if you add the personality trait "aggressive and disagreeable" to a typical aspie, you'll get a termination of negotiation instead of a strongly suboptimal (for the aspie) negotiation result.