The disadvantage of Facebook is that with the creation of other social networks, there is a tendency for younger people to migrate to other networks such as Instagram , for example. So you have to know who your audience is and invest your time and images in a more attractive way.
Facebook is a social network that does not have its focus only on images, it has many other resources.
Instagram has become popular for being Clipping Path Service a social network, initially, to upload images. However, over time its resources have improved and now you can put texts next to images, comments and videos.
Marketing on Instagram has also become popular in a relevant and satisfactory way for the user. The network has tools to edit the images before uploading them to your account to make them more attractive to your audience.
For this reason, we can say that Instagram is a network more focused on the visual, that is, on non-verbal language. So the images uploaded there need to attract much more attention from the public than the text, especially in ads.