> 3. H-Nets are significantly more robust to small perturbations in input data like casing, showing an avenue for creating models that are more robust and aligned with human reasoning.

If it forms a hierarchy (a tree), it seems like it wouldn't be robust to rearranging the information in a prompt.

eg if your request has a long list or a table of data, all the different permutations of that will create different trees even though they're actually the same thing.