I have a partial answer to my earlier post questioning the cause for the ~10K difference in quantity of posts between the AA and UA forums:

it's the NUTS!

Leaving aside the obvious ambiguity of the above, I'll add an observation probably latent in the issue of warm(er)/hot/cold nuts; doesn't warming them improve the taste of nuts? Aren't we told that at altitude and in super-dry cabin air, our sense of smell (and therefore of taste) is diminished?
So the unspoken complaint then, is that "these (unheated) nuts don't taste like anything."
Let's have the physiologists weigh in, or at least a few EENTs. The psychiatrists ...