What you view as inconsistencies are based around assumptions for how the underlying rules work and what happened that don’t necessarily apply.
One of the more interesting science fiction short stories I read seemed to have very inconsistent time travel, but on closer reading you find the two different methods involved had two different sets of rules. It’s easy to say something is inconsistent, but any possible story has a corresponding set of rules that work.
It’s rather similar to considering what characters may have been lying in a story.
When it comes to Harry Potter,
> but on closer reading
does not make the inconsistencies go away, but they multiply.