Can you share a link to the video to review their thoughts?
The key to this basic question lies a bit in your goals and preferences that may lean towards one discipline over the other. This matters since the limitations that exist in bike design along with the potentially unique demands in each discipline mean that there is potential for conflicting priorities.
There are bikes that definitely would lean one way or the other with some elements that are neutral or at least not overly negative towards the other. Without more info, the basic suggestion I’d consider would be looking at “race gravel” bikes. These tend to be more “road bike like” in geometry, stiffness and handling while still offering decent ability to fit larger tires appropriate for gravel use.
Here is a worthwhile topic to read since it covers bikes that may well get close to your goal: