That actually makes quite a lot of sense.
Step 0: Take unstructured notes
Steps 1-3: Cornell method
Personally, this is my preferred approach. I feel uncomfortable making final notes the minute I have just learned something new. It's like your bubble of knowledge has to expand and connect to other thoughts and ideas in your head, otherwise my notes feel so superficial and incomplete.
In fact, might it be better to take unstructured notes, and then restructure them later?