How do you know if something is morally good or not? What’s the check? What’s your test?
Say 2 people are thinking about doing something together.
Say one of them has an idea that is being considered as a common preference (cp). A cp is an idea about how to proceed that they both have no criticisms of.
And say one of them has an objection to that idea. Then it’s not a cp. So it’s not morally ok to act on this idea.
If nobody has any objections, then it’s a cp. So it is morally ok to act on this idea.