If you want to argue about OO you should use Smalltalk. Many other languages use...

JepZ on March 17, 2018 | parent | context | favorite | on: Inheritance Often Doesn't Make Sense

If you want to argue about OO you should use Smalltalk. Many other languages use some shortcuts (often for performance reasons) which ignore central concepts of OO (e.g. 'everything is an object').