Deep, paradigm-shifting research often needs decades of deep thought and experimentation, which will not yield weekly, monthly or even annual demonstrations of usefulness to customers or shareholders.
She writes as a VC (I think?) where her job is to allocate capital for shorter-term "useful" (read: profitable) outcomes.
She writes as a VC (I think?) where her job is to allocate capital for shorter-term "useful" (read: profitable) outcomes.