Subspecies IDs don’t move the Observation Taxon forward like a species ID does.
In your first case, if you IDed to species, the Observation Taxon (what is displayed at the top of the page) would be Faxonius palmeri, but the Community Taxon (on the right side of the page), would still be Astacidea.
See this relevant feature request:
https://forum.inaturalist.org/t/leading-subspecies-ids-should-change-the-obs-taxon-like-leading-ids-of-other-ranks/139/5