We need to be careful about those absolutes.
The guy from the carbon fiber + silver tape titanic sub had super people skills. But if you don’t want to be crushed in a submarine by a 10.000 feet water column, you’ll rather have the clumsy/awkward/jerk guy with superb tech skills leading the project.
You might be surprised to hear that there are great engineers who are also good at people skills.
In no place I said that there weren't. I don't understand where you got this idea.