Not every one of our users works in marketing or is an expert in storytelling. Storytelling is a skill for the future, but like every skill, it doesn’t come overnight and requires training. I assume, like for many of my customers, have problems to find an appropriate image for the header.
On the other hand, to communicate what is happening around you is beneficial for the rest of the company too. Let me show you a use case why you use default images for events in communication sites first and how to solve this on this kind of site templates.