I really don't know why people seem to think that post is the final position of Joe Armstrong about OOP. It's a very old post, without any context, and since then he has gone on record praising Smalltalk and Alan Kay's take on objects many times:

http://infoq.com/interviews/johnson-armstrong-oop/ http://erlang.org/pipermail/erlang-questions/2010-August/052...