I'm not sure i agree with these. I've been testing a simple prompt with different model and harness combinations to work out which one produces best results. I do this in '/goal' mode.

Prompt -

"Build a single-page Three.js sci-fi hangar with hovering drones, animated warning lights, emissive runway strips, and subtle volumetric-style fog planes. Include drone formation toggle and cinematic camera path. Output one self-contained HTML file with inline JavaScript."

You can see the outputs here - https://alvins82.github.io/hangar-harness-model-tests/ https://github.com/alvins82/hangar-harness-model-tests/

OMP i would say comes out on this prompt the best out of all the harnesses i've tried. I suspect possibly a lot of this is to do with the base system prompt that each harness injects.