Categories where the visual aspect of topics is paramount; where an image from the first-post of a topic is at least as important as the text and so deserves to be seen as a thumbnail in topic listings. Cases where a tiled layout of large (single column, image full width on mobile; 3 or so per row on desktop) images is more important than diving into the specific topics. Podcasters engage with others’ show cover art, gardeners engage with images of plants, etc.
Meanwhile, I’ll have to go back to the Default Theme on my communities as Horizon (which is vastly better than Default in other ways) is a non-starter without the component. That component is a core feature of my communities.