When a crowd makes the decision, the crowd scatters. The consequences find individuals.

Being in a group makes any choice feel lighter, because responsibility seems divided among everyone present. It is not. Afterwards the group dissolves back into separate people with separate stories, and whatever follows arrives addressed to one name at a time. The feeling of shared risk is real, and also completely unenforceable.

In a moment where nobody is deciding but everybody is moving, ask whether you would do this alone. If the answer is no, you already know it is the group carrying the choice. Leaving quietly is allowed and usually goes unnoticed.