Hardly. OOP is still heavily used in 4 of the top 5 programming languages in the world: Python, Java, C++, C#. And with what would you replace OOP?Scala is the only functional language on anybody’s top 20 rankings.

Smalltalk is still used by thousands of enterprises around the globe and supported by 3 major Smalltalk vendors: Instantiations, GemTalk Systems, and Cincom.

In 2022, Smalltalk had the best year ever! Read https://levelup.gitconnected.com/mmxxii-year-long-celebrations-for-smalltalk-bed82541b7db.