The comment you're answering to wasn't posing as a scientific remark, it was just bringing up facts from direct and indirect personal experience. So it is weir

The comment you're answering to wasn't posing as a scientific remark, it was just bringing up facts from direct and indirect personal experience. So it is weird that you see it as "pseudoscience". I've also lately been drastically decreasing my fiber intake. To my surprise, it did not make my digestion worse (though I must say it has never been great).