Often, I see that the slide deck is just a confidence booster for the presenter of a new story. Having those beautifully designed slides behind you makes sure you will not s**w up. Over time, you become more and more confident in delivering the story, your slides get bolder and more minimalist, until finally, you do not need them anymore.
But, without that slide deck on day 1, you would not have gotten to that level of story telling…