Once you have that talk under your belt it can be used again and again, refined, and adapted, to fill 10 minutes or 90 mins. To talk to an audience of 10 or 10,000.
The performance, i.e., your talk, your job, your life, is the culmination of all these processes – warm-up, exercise, play, and character. When utilised properly they build confidence, resilience, empathy, and focus.
If people are going to buy from you, then you need to be accountable for your actions. A slick company video with seamless transitions and a well-rehearsed commentary may satisfy your shareholders, yourself and make competitors slightly jealous, but it’s just aesthetics.