I hope they can pull it off.
That said, silicon valley is full of stories where people brazenly stole from company A to start company B and pretty much got away with it.
EDIT: this is the one I remember:
https://en.wikipedia.org/wiki/Cadence_Design_Systems%2C_Inc....
The silicon valley TV show even had episodes on this! Man I miss that show. They'd have so much funny material nowadays if they came back.