Unlikely to be true, even if some such classes are indeed antipatterns.
Which of these classes are antipatterns?
Observer
FileManager
HTTPServer
CircuitBreaker
ObjectBuilder
ServiceProvider
SchemaValidator
StringTranslator
Vector
Which of these classes are antipatterns?
Observer
FileManager
HTTPServer
CircuitBreaker
ObjectBuilder
ServiceProvider
SchemaValidator
StringTranslator
Vector
Player
User
Printer