It doesn't matter if that's happening or not. That's the whole point of the Chinese room - if it can look like it's understanding, it's indistinguishable from actually understanding. This applies to humans too. I'd say most of our regular social communication is done in a habitual intuitive way without understanding what or why we're communicating. Especially the subtle information conveyed in body language, tone of voice, etc. That stuff's pretty automatic to the point that people have trouble controlling it if they try. People get into conflicts where neither person understands where they disagree but they have emotions telling them "other person is being bad". Maybe we have a second consciousness we can't experience and which truly understands what it's doing while our conscious mind just uses the results from that, but maybe we don't and it still works anyway.
Educators have figured this out. They don't test students' understanding of concepts, but rather their ability to apply or communicate them. You see this in school curricula with wording like "use concept X" rather than "understand concept X".