Earlier quoted context omitted.
I suppose that depends on whether you think an "Ethical AI" group's job is as window dressing or to actually make an ethical impact. If the former, then they probably shouldn't be doing it in the first place; PR people are cheaper and more tractable. If the latter, then there's only so long you can ask good people to stay quiet. Enabling ethical failure is also an ethical failure. Your analogies don't really work, I'…
I think the one thing both sides can agree on is that there should be whistleblower protections enshrined in law for people reporting ethics breaches. (I'm not going to try and suggest how it should be implemented, that's legitimately difficult)
There are whistleblower laws now but they apply to illegal actions.