Say you are an architect, and your customer or a product owner asks you to explain your technical decisions, you may immediately jump into explanations. Don't do that. There must be a clearly drawn line between your territory of responsibility and authority and theirs. They define requirements for the product you develop, you make technical decisions according to the requirements. You don't need to explain anything.
The video is here: https://youtu.be/WapJducA2NY
