Generics aren't really OOP, OOP tends to use run time dynamic dispatch through inheritance. Generics come from functional programming type constructors.

Huh.

https://go.dev/doc/tutorial/generics

You're thinking of architecture astronauts when talking about generics. The biggest win of the object-oriented folks was to get a garbage collector included by default; compare and contrast with Rust, which ended up not having garbage collection.

You make that sound like a bad thing