Heise, one of the most reputable and in-depth tech publishers in Germany is using them. Mostly for articles where an image doesn't add much (like generic battery image in a text about new battery tech), but still. Possibly because images increase engagement
There are a lot of cases where a pub wants a graphic or image (perhaps depending on the pub's style), just about any graphic or image. Yes, for example, people are probably more likely to click on a social media link with an image.
