As someone who grew up reading these, I would have liked better characterisation but concept focused stories still appeal to me.
The Pixar approach allows nothing to have depth but everything to still work emotionally. Any variety of original, well-craft fiction will have "meat" whereas this sort of thing is more or less just "sugar" instead.
Individual characterization is nothing special, probably par for the course for SF of that era, but nobody is stupid and nobody is evil and watching everything play out organically is just fascinating.
If done masterfully—this overrealization captivates me, and the emotions I feel at the end are real. And I can learn something new about myself for it.