Is never a bad idea to tell a story in a presentation. In my professional opinion, no, it's not. As long as you are aware of your time constraints, what the audience's expectations are, and you match those accordingly. Again, I've never you heard me say this, the beginning of this course I've never heard anyone say about a speaker. I hated the way that person gave us interesting, relevant stories today about points that are important to us. Possible someone could say that it is possible I've never heard it.
So I don't think you can go wrong by telling a story. Does that mean every story is going to be great? No, not when I said