Theranos definitely made us cautious but not every new tech needs to be Theranos 2.0. Microfluidics is legit and widely used, sometimes skepticism just means asking the right questions not shutting every door.
I think Elizabeth Holmes was excited about the right stuff, but she wasn't well enough studied in the science to take it beyond the wouldn't-it-be-neat, sci-fi writing phase, and relied on "fake it till you make it" to compensate for the fact that her reach far exceeded her grasp.
How would any company get around the fact that blood is not homogeneous and if you take only a small amount you aren’t getting a representative sample of the person’s blood so you have a random shot of detecting whatever markers you are looking for?
