Theranos made bold claims too according to wikipedia Theranos claimed they devised diagnostic using blood tests that required very small amounts of blood. Then their PR machine made them raise $9 billion.

Big companies indeed work hard to generate investment and interest. We can take the threat and promise of the technology seriously without taking the science fiction grade hype literally.

If you have your certainty then there are plenty of opportunities to short this space. For the rest of us who don’t have crystal balls, contingency planning (ideally through policy and not as individuals) will have to do.