The thing about hardware is that once you ship them, that's it, you can't perform updates to address any bugs like an piece of software.
The OI is being pitched as the de facto standard of optical engines manufacturing, so it should be tested as rigorously as possible. The OI isn't a tried-and-true solution, it's a novel solution. Once the testings are done, then we'll have our floodgates moment, and hopefully we'll hear more about it on Aug 10.