That is true - that if AI reduced failure rates it would be a huge success.

However drugs fail because we don’t understand the biology well enough. Drug researchers develop drugs based on all their knowledge of biology, and when they fail it’s because the biology didn’t work the way they thought it did.

So if the current understanding is the cause of failure how can AI help? It can chug through vast amounts of data, but the data doesn’t explain the biology well enough.

Now what?