Earlier quoted context omitted.
Maybe searches just arent that unique and they will cache all but the long tail of answers
15% of searches are unique according to https://www.seroundtable.com/amp/15-of-search-queries-google...
I need to throw a dinner party for 6 people who are vegetarian. Can you suggest a 3-course menu with a chocolate dessert?
As compared to the autocomplete feature which guided people into cached search terms