I find OOP technically unsound.

I think that object orientedness is almost as much of a hoax as artificial intelligence.

Object-oriented programming aficionados think that everything is an object.... this [isn't] so. There are things that are objects. Things that have state and change their state are objects. And then there are things that are not objects. A binary search is not an object. It is an algorithm

Complexity assertions have to be part of the interface

I spent years trying to find some use for inheritance and virtuals, before I understood why that mechanism was fundamentally flawed and should not be used.

I still believe in abstraction, but now I know that one ends with abstraction, not starts with it