I would say the one that says you can't learn anything from this is an outlier.

但如果有人说你们从中学不到什么,那他对此一无所知

耶鲁公开课 - 古希腊历史简介课程节选

So I'm actually writing my own fiction, and no, it's not easy. But you can actually learn from, if you read other writers.

我现在也正在写自己的小说，真的不容易。但是你可以从你以前阅读的作品中学到很多。

写作课程比较难 - SpeakingMax英语口语达人

They've done some research. I'm not exactly sure if you can officially learn language from watching movies,

他们做了些研究。我不确定从官方的角度来讲，你是不是能够边看电影边学英语，

英语学习技巧 - SpeakingMax英语口语达人