a perfect society in which people work well with each other and are happy
The Oxford Languages definition is incomplete enough to not be a valid counter argument - “perfect” doesn’t mean everyone 100% gets what they want. The only sensible interpretation is “perfect” from a societal perspective.
Where exactly is this defined meaning?
According to Oxford Languages it is very much in the eye of the beholder and not objectively defined.
Let’s go with the Cambridge definition:
The Oxford Languages definition is incomplete enough to not be a valid counter argument - “perfect” doesn’t mean everyone 100% gets what they want. The only sensible interpretation is “perfect” from a societal perspective.