Compact electronics rarely have vents "close" to the things that get hot - it's been heat pipes for a long time already; and that system is fixed and "scaled" for the included fan(s)... Not much anyone can do in practice without taking the laptop apart - at which point you'd be better off buying a (mini) PC in the first place.
Also: thermals in general are vastly more complex and tricky than our intuition tends to tell us (with the article being a great example of it!).