It's amazing and fascinating how many diverse explanations and personal narratives are present in all the answers. It shows how difficult it is to diagnose something as common and relatable as the situation described here.
Looking at the answers there're definitely a lot of common trends. But yes, I see your point. Part of the problem is separating the pure productivity question ie how to fit in hobbies, vs asking whether the question itself points to deeper issues around health, excessive pressure to achieve and so on.