To add on to the OO counterargument, here's a thorough debunking of object-oriented programming: http://www.geocities.com/tablizer/myths.htm

Note that this refers to the Nygaard interpretation of OOP, which is also the most widely used: rigorously class-based and in many ways retaining a procedural nature.

Smalltalk and Eiffel are different beasts, but they never really made it.