I suspect you're right, but that also highlights a broad problem that we have in tech. In the face of missing expertise, most people assumed, or at least were

I suspect you're right, but that also highlights a broad problem that we have in tech. In the face of missing expertise, most people assumed, or at least were willing to believe, that it was more likely that a tech company would be able to completely disrupt the way blood tests have been done, rather than question why something as simple as "use less blood" hadn't been done already if it were feasible.