Maybe they could have used the best search engine to do due dilligence[0]. Of course it was google, they had just taken 29% market share to eclipse yahoo by ~1%. So yeah, with 13 years of hindsight and a decade of research the 20 year old college whiz didn't build a successful company. Like you pointed out, there are a reasonable subset of things you should expect(even from a failing company) and I believe you are correct.
It would just be nice to see a bit more contemplative thought around Theranos. Quite obviously they made major mistakes, had some ethical violations which regardless of being par for the field are piss poor from a judgement and statistical validity standpoint, and other short comings.
I'll gladly be the person that says I would fund 5 Elizabeth Holmes if I could get 1 Elon Musk/Steve Wozniak/Bill Gates ect. and I think we all know, that would be too cheap a price.