Computer graphics is intrinsically interesting and rewarding. It sits at the intersection of several important fields, from computer science to mathematics to theoretical physics to low-level programming.

Maybe steering away from it is good advice for someone who's looking for a career transition but doesn't care about what they're actually doing. But that's not a good way to go through life; my advice to such a person would be to follow what they find interesting and valuable, and constantly challenge themselves to learn new things. Then deciding whether or not to learn computer graphics is relatively straightforward and it will be a net positive for the right kind of person. Even if they don't make it a career, the skills transfer well to many other areas.