Maybe because traditional OOP is already well represented by popular languages with large ecosystems? Creators of new languages want to do something new.
There is Elixir / Erlang which many consider to stick more closely to the original idea of OOP.
Agreed. There is definitely a problem where most people think OOP = Java. But, if you think a bit more abstractly you find that Erlang is a much better OOP while being famous for being so very functional. Also, you get bits like http://wiki.c2.com/?ClosuresAndObjectsAreEquivalent
There is Elixir / Erlang which many consider to stick more closely to the original idea of OOP.