Whole team sees the problem, nobody says it
Everyone knows the launch date is fiction. In the review, everyone says it's on track.
Rule out first
People may lack the full picture. The decision may already have been taken above them. One specific boss may be the problem rather than the group.
What could explain it
Groupthink: A close, proud team under pressure; doubters are told they're not team players, and outside views are kept out.
Pluralistic ignorance: Each person privately doubts but assumes everyone else agrees; one honest voice breaks it quickly.
Psychological safety: They've seen someone punished for bad news; the truth gets said in the corridor, never in the room.
Bystander effect and diffusion of responsibility: Everyone assumes someone more senior or closer will raise it; nobody owns it.
Obedience to authority: The leader has made their view known; contradicting it feels like disobedience rather than input.
A next move
Before the next discussion, collect everyone's honest view anonymously. If the private views diverge, it's pluralistic ignorance or a safety problem; if they agree with the official line, it's groupthink. Then watch what happens to the first person who speaks.
If it’s you
What am I not saying because I assume everyone else agrees, or because of what happened to the last person who said it?