[posix_me_less]

> "So the “moral” engineers have an incentive to stay and act as a front line against “immoral” actions, or at least have an insider’s position for whistleblowing."

This is true if the engineer is in such a position of power within the company that he can effectively influence things towards the ethical goal. Most of typical for-profit corporation engineers who care about that ethical goal have no such position. If they strongly disagree with what they contribute to, the best decision for them and the ethical goal is to quit.