What it looks like:

Here’s an example of such a post: https://sh.itjust.works/post/58082125

They uploaded an image and then included a URL as the body/text.

On Lemmy, it looks like an image post, with a small expando to the right of the title that you can click to show the body:

Why you should stop doing it:

1. It makes high-quality posts look the same as low-quality ones.

I automatically downvote most image/meme submissions and posts with bad/non-descriptive titles for quality control. Linking directly to a source is how you make a high-quality submission. You can include screenshots or quotes in the body of the post.

2. I could start clicking the expando next to the title to check if a source was provided, but there’s going to be a user option to block image posts in the next lemmy update (v0.20), so that format is not good since lots of people will start to automatically block them.

3. You can put images in the body of the posts.

Why should anyone care?

Low-quality, easy-to-digest content will dominate and drown out everything else if no one does anything to limit it. It degrades the internet and our brains.

A blog that elaborates:

The Cargo Cult of The Ennui Engine https://medium.com/@max.p.schlienger/the-cargo-cult-of-the-ennui-engine-890c541cebcb