But only kind of. Even if you could get a strain of yeast to produce a specific antibody 100% of the time, how reliably could you get the yeast to grow? If you can get it to grow, how reliably can you extract a enough of the antibody to form just one dose? If you can extract, can you get it into a formulation that is pharmaceutically viable? Its not just about synthesis.

There's so much tooling and expertise that goes into front end, back end, deployment, db, QA, etc ,etc, etc just to get one app going. Why would would drug deployment be any different?