There's no discrepancy because "social engineering" isn't "Being good at social things"

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.