According to their documentation they still relied on Google for search, mixed in with results for other source, like Wikipedia, Marginalia and others (
https://help.kagi.com/kagi/search-details/search-sources.htm...).
It seems a little weird that there would be searches where users fallback on a Google search, when Kagi fails... Shouldn't Kagi get those same results?
There's also some double standards at play. On every article on DuckDuckGo you'll have people comment: "It's just Bing". Well, if that's the case, then Kagi is just Google. Basically the two search engines do the same thing, but with different business models, and with different levels of success.
Personally I feel like Google and Bing are on par. Bing has improved a lot, and Google simply hasn't.