This assumes that you would be sincerely listened to, which you wouldn't in a case like this. Higher ups in large organizations don't have the bandwidth to listen to everybody.

Your sub's officers also need to constantly be aware of what to communicate to whom and in which language. Your superiors certainly kept you in the dark about a ton of concerns that were on their plate because simply mentioning them to subordinates would have been too distracting.

You say your piece and if not heard, do an internal transfer. This whole don't tell people the truth about technical matters to not hurt their feelings or disrupt some people's paychecks is not serious business.