This exact scenario is now evolving in dozens of labs the world over to use the essence of the initial CRISPR mechanism in a new and superior(patentable) way to

This exact scenario is now evolving in dozens of labs the world over to use the essence of the initial CRISPR mechanism in a new and superior(patentable) way to perform gene edits in the precise location with the precise new information required. It will end up better, but probably slower and surer.