Absolutely not. 

The accusation serves a deliberate function.  A decision. It's calculated and not a result of neurons misfiring. It's focused. She isn't mentally retarded and knows who to respect and who not to play with, while I am one of those she can afford to lose without any damage.  

https://sociopathcommunity.com/Forum/Topic/30052/1/mara-and-tony

All choice.