thrdbndndn parent
In addition to what everyone else have already said: having a fan is hardly a disadvantage for most of customers. So the demand isn't high.
"Hot and noisy" is the most frequent complaint I hear about laptops (also previously about Intel MacBooks). I think OEMs are either misreading the market or they are forced to emphasise other strengths because they can no longer compete with Apple in terms of performance/watt.
> they can no longer compete with Apple
I think that's it, x86 isn't even close at the moment.
You said "Hot and noisy", and making it fanless would only be even hotter or, have significant performance penalty (to a point that even light users won't tolerate.)
My (Windows) ultrabook bought a few years ago could be hot and noisy (and slow) when I'm merely using browsers nowadays, can't imagine what a fanless one would do.
I would put it like this: Few customers have an intuition for the disadvantages of having a fan. Or the advantages of a fan-free laptop.
A fan is a big and fragile physical component with a lot of associated cost – physical size, constraints on heatsink dimensions, noise, and power.
And indeed, customers' response to Apple's fanless laptops has shown a reasonably strong economic preference for them, or it seems that way right?