What Makes a Product Demo Actually Good?

With so many demo building products that have been created in the recent years.

- Reprise - $82.2M funding

- Walnut - $56M funding

- Arcade - $49M funding

30+ Demo building products

What do you think would be a novel benefit/feature of a Demo Creation tool?

Is there something that you guys would want to see to make your experience better, when you are walked through a demo?

Does AI Demos with a talking AI showing you the product feel better than an actual person going through the product with you?