Doesn't sound like someone doing introspection, it sounds more like he is lamenting that the world isn't as "logical" as he is.
There's an autistic elephant in the room. "Why are people so irrational" could be one of the slogans if there was a high functioning autistic persons society
I think it is easy however to romanticize these such errors made in the pursuit of truth.
It can be like the pointing out the fallibility of Galileo Galilei in thinking he wouldn't be held to the inquisition, and made to recant his evidence of heliocentrism.
But I think it is a great poverty of mind and a sad commentary that things cannot be said without risking having their meaning turned inside out and amplified in their grotesquely mutated form by eager syncophants of pseudoreligios thought police.
It really has the smell of 1600s style witch hunts.
I don't think you're seeing ineptitude, I think you're seeing lucidity, sapience.
And who's figuring out whose communication? He basically has to draw a picture in crayon of what he means, just so all the rest of you don't misconstrue his meaning. Your "human communication" is much too defective to be so proud of it.
In this case, it's really hard to understand why someone not completely idiotic when it comes to communication would have used the phrase "I like that sentence" after saying "Blacks are more stupid than whites."