The writer heavily assumes everyone with aphantasia is capable of smell/sense/taste/hear sensations, and she emphasizes that that's the things we should focus on to remember or enjoy situations.
But this is not true, aphantasia, even in its early research is a wide spectrum, where some do not have these sensations either.
She also assumes we, as aphants are incapable of doing certain things, but this is a completely personal experience from the author, backed by no research.