What's the worrying precedent engineers should be unhappy about here?
You must know this behavior is completely different than simply switching jobs?
His “new job” was a business he cofounded and ran, until he sold it to Uber.
No, getting sued and prosecuted for stealing trade secrets, using them as a basis for starting one business competing with the employer from which they were stolen, and then selling that business to another competitor of the one from which they were stolen.