[AlchemistCamp]

Yes. This is spot on. Another issue is losing the larger picture.

In the language learning example, Extensive Reading leads to not only picking up and remembering words, but also collocations, grammar and even cultural beliefs of the speakers of the target language. Single word flash cards miss all of that. Full sentence flashcards do a bit better but still fall short.

I think the best use for SRS for something like a language or programming is for laying down a scaffold in the very early stages of learning, and then moving to more productive uses of study time as soon as possible.