The good news is we are seeing an incredible surge in non-animal technologies in laboratories. With researchers using stem cells, visually impaired people may one day have new corneas and lenses grown from their own cells. That is likely to be a more effective and cheaper approach than using animals.
When we worked on Ice Cube's Amerikkka's Most Wanted album. Before we talked studios, beats, or lyrics, I said, "Two rules: Only say what you're able to vouch for. Number two, never repeat yourself twice, because we makin' an album that people will play over and over.