I searched for "complete guide to creating a html website" and the top result was a webpage titled "Complete Guide to Creating and Hosting a Phishing Page for Beginners", which gave instructions on how to create a phishing website for the purpose of "password harvesting".
The page was not entirely irrelevant to the query (being about HTML/web page creation), but it was specifically for illicit purposes which were not stated in the query. I expected the results to be "sanitised" or at least only show results like this if the query explicitly referenced them.