If you notice A) and C) then the storytelling wasn’t very good at masking them because you wouldn’t have noticed them D) if the storytelling is efficient then you don’t have to (which is why Hitchcock never bothered to fill them)

Storytelling is not some magic disconnected from the plot. If you have a meaningful plothole, it impacts the story. You basically redefine plothole as "plothole that does not affect the story", and of course than it doesn't matter much. Bc you defined ot that way.