AI drug-discovery picks and shovels such as Ginkgo Bioworks, 10x Genomics, Twist Bioscience and Grail are priced on a fantasy, and secondary offerings are coming. The bet that AI will solve cancers and rare diseases within months ignores how drug discovery, regulation and trial enrollment actually work. Unlike the semiconductor comparison, these businesses have not inflected, mostly burn cash, trade at 20-30x sales and need equity to fund themselves. Buyers here become their liquidity. x.com x.com