New York provides contrast against the monotony of SF Pro. When a bold serif headline appears on a pure black background, it signals, "This moment is important."
If you want your presentations to match the "Apple look," you can find these fonts on your Mac or use similar alternatives: what font does apple use in their keynote presentations
While most people ask "what font does Apple use in their keynote presentations" expecting a sans-serif answer, Apple has started introducing a custom serif typeface called (SF Serif). New York provides contrast against the monotony of SF Pro