Here you go:
Proprietary cooling system designed by hardware engineers who have 20+ years in mechanical design, CFD, etc. and multiple patents with exciting names like "Computer thermal system" and graduated from top tier engineering programs like Carnegie Mellon, MIT, Caltech, etc.
In fact, the cooling system is over-specced. It was designed for Intel CPUs that had a higher TDP than the M2 Pro in my device. The fan runs around 1700 rpm (nearly inaudible) unless I am doing a Handbrake rip. Even then, the fan is pretty quiet, way quieter than any of my DIY Windows desktop builds.
There is no way that I could design and assemble a compact cooling system as good as this.