Curiously, libgmp reported something similar recently, but with AMD.
For both the cooler and the motherboard, AMD have too much control to look the other way. The chip can measure its own temperature and the conceit of undermining partners by moving things on chip and controlling more of the ecosystem is that things perform better. They should at least perform.
The cooler was under the rated tdp of the platform. That and it lasted 6 months and so far seemed the only case of it falling over like it did.
Yea am leaning on it being user error.
I also find that, as performance improvements tolerances get tighter throughout the system, the set of 'things that can screw your build' grows bigger.