Schrodinger's hackers. They are simultaneously autistic and skilled at social engineering.
In your telling, autism is an excuse when they abuse others, because they cant help themselves. But, when it is for their benefit, the same person actually displays higher social skills.
Autistic people can be highly sociable by explicitly learning social skills. They can also learn social skills in order to manipulate others, as is the case here.
Lastly, explaining how a medical condition whose stereotypes seem to make others think those with it would not be capable of committing a crime were in fact capable of committing that crime in no ways is the same as excusing the crime.
Social engineering is just conman pressure tactics or hard sales tactics. It's so simple you can train your average stay at home mom or "hustle culture" bro to do it for Amway or similar in an afternoon.
It requires zero social skills. You aren't "Charming" the tech support, you are just badgering them and waiting until they do the normal human thing of trying to be helpful.
Exactly, you just ask normally. There’s no need for any special tricks. What would a real employee who can’t log into their account say on the phone? Just say that.