There is no quick answer to that. It's different by topic.

But the obvious one is in advice where we have poorly researched clickbait beating world experts because our algorithm biases for engagement.

Here is my old style guide for what I thought was required to make adequate advice:

https://betterhumans.pub/draft-style-guide-for-personal-development-articles-6f641023347f

Essentially you need to have lived it professionally, lived it personally, or done a massive amount of research (think book length).

Is there something you are specifically interested about in relation to your own reading or writing?