While I've made huge improvements to the algo recently, I do think Marginalia Search got a bit lucky with the sample queries, as it is still IMO far more hit and miss than many alternatives, but that also speaks for how hard evaluating search quality is.
Its efficacy is also strongly dependent on understanding that it's a keyword search engine with no semantic understanding.
Its efficacy is also strongly dependent on understanding that it's a keyword search engine with no semantic understanding.