I'm actually surprised this isn't "a thing". If a large percentage of a well known, profitable company doesn't agree with a direction it's taking... why doesn't a VC or private equity just help finance a new company and absorb those people into it? If the people have anything to do with the products they create, they should be able to compete with their former employer as relative equals, and possibly even with an advantage because their former employer has lost a significant amount of staff.