As a native speaker, I had no idea what was being said. Seems like a very extreme example. Similar to the shi shi poem in chinese. The "had had" example is muc

As a native speaker, I had no idea what was being said. Seems like a very extreme example. Similar to the shi shi poem in chinese. The "had had" example is much more relevant to someone learning English. Often when I construct a sentence with "had had", I question whether it looks right and if I can rephrase it.