In theory there might be more than ten interesting results on a topic, and with some search engines, say the one at
https://pubmed.ncbi.nlm.nih.gov/
there really are. For Google the results past the top ten have been unusable for a very long time, frequently just a repetition of the same garbage.
Circa 2004 I was interested in the question of why Google was so much better than other search engines, which got me into reading TREC proceedings which made it clear that Google probably wouldn't do very well on TREC because the original TREC scores assumes you care about the relevance of the 1000th result and Google was all about "I'm feeling lucky".
A month or so ago I was talking to someone developing a search engine who was concerned that most tracks in TREC now are concerned about precision @ 1, precision @ 5 and things like that and was wondering how to tune up a search engine if the 1000th result matters.
I guess things go full circle.