This is my pet peeve. Top google search results and ChatGPT suggest this "same number of rows" mental model which is incomplete and breaks.
I wrote about this: https://minimalmodeling.substack.com/p/many-explanations-of-...
I wrote about this: https://minimalmodeling.substack.com/p/many-explanations-of-...
I also wrote about this ;-) https://pragmathics.nl/2023/10/24/putting-the-relational-bac...