> it's a murder of crows if most people agree that it's a murder of crows No, that's not how it works. Each person and each group is their own authority (at le

> it's a murder of crows if most people agree that it's a murder of crows No, that's not how it works. Each person and each group is their own authority (at least potentially, if they want to be). You're right that the majority may ignore specialist opinion, but it's equally true that specialists may ignore the majority opinion. It's not unusual for usage to diverge in that way. Take the word "allergy", for example.