Imagine if doctors had 99 failures for every successful operation. "Well that's just the way it has to be for that success".
Sure, maybe Juicero could make money, but maybe $120 million could have been invested into some slightly more useful things?
Who gets to decide? Obviously the investors and VCs, and it's their money.
VCs simultaenously say that their 1:100 hit rate is part of their big strategies and that everything is luck. You can either be gambling your money or you can be using skill, but you can't do both!
(modulo probabilities a bit higher than lottery ticket odds)