You don’t want your “private” search engine to have a paid relationship with an upstream non-private search engine for the same reason you don’t want your browser to have a paid relationship with your search engine: Because, sooner or later, that paid relationship will result in tracking.
@andrew907 @Mojeek Privacy Browser uses Mojeek.
https://www.stoutner.com/switching-from-startpage-to-mojeek/
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