It takes a while to get to the point, but this is what the page is about: As we explained in a recent review paper, researchers have repeatedly found evidence that Autistic individuals are, on average, more consistent, less biased, and more rational than non-autistic individuals in a variety of contexts. Specifically, many Autistic people seem to be less susceptible to cognitive biases, and therefore better able to m…
On the flip side, many autistic people have trouble understanding neurotypical people because they miss nuance in their communication that other neurotypical adults would find to be obvious. Autism isn't some reasoning superpower, it's just a difference in processing stimuli.
I would agree with your characterisation as a difference in processing stimuli.