Because you missed in the same episode during that part where David Cameron said that Leo’s character dying was what had to happen. That was the story. It is a pointless gotcha, based on the movie not spending the time to determine the exact amount of buoyancy of a ship wreck.

Neurodivergent doesn’t mean a failure at communication. That is a very reductive view of such a broad statement. Adding to that the concept of Neurodivergent covers a massive range of things. Someone who is ADHD faces different problems than someone with depression. So nearly everyone may be neurodivergent in some form but the average of communication falls within range of how we do now.