One reason for distinction is that you'll get people who say "OOP is a good way of designing systems" and "OOP sucks" and one might not be aware of the other.

One reason for distinction is that you'll get people who say "OOP is a good way of designing systems" and "OOP sucks" and one might not be aware of the other. Generally I see "Java isn't OOP" followed by "OOP is about the messages". Somehow no better name has caught onfor this.