[agos]

what irks me about dismissing people's experience is that is so unscientific.

The response should not be "surely they had crap diets" or "it's just placebo/it's just psychosomatic", it should be "uhm, I wonder why this is happening, let's investigate.

which is the whole point of the article, after all

[Almondsetat]

When people describe their diets they have enormous biases and subjective considerations.

So yes, people's experiences told by themselves are unscientific