Also, power supply design (including power cables) is a really foundational piece for any electronic device, and the one that typically causes complete failure/letting the blue smoke out if not done carefully. And of course, safety/fire issues if screwed up particularly badly.
It is weird that in their push to all time high TDP they didn’t spend more time thinking about it. That said, cutting edge often means bleeding edge, something something.
> things you never thought of worrying about.
In my experience, it's nearly always the connectors that you suspect first.