Steelmanning for example would be taking successful, performant OOP projects and tackling the way they use it. V8, LLVM or UE4 for example off the top of my head.
Steelmanning is realizing that you can write data oriented code in OOP projects.
Steelmanning is realizing that you can write an ECS-style database with OOP. It's further realizing that the ECS pattern as described is not inherently data-oriented and requires extension to actually meet that criteria (e.g. archetypes).
And to be clear I'm not accusing you of ignoring these things but the discussion around this topic in general.
Basically as a game programmer of over 16 years of professional experience I feel a lot of this stuff is dubiously presented. And I don't even like OOP particularly!!