As someone with 15 years of UX experience, this is the "tool" that I find most valuable when it comes to improving a design I am working on.
I often tell my clients "I am not an expert" as a way to communicate this. I could never know as much about the problem users face as the users themselves, and I can never know as much as the entire team of people working on the solution. Instead I tell them I'm an expert at being a sponge, and learning from multiple inputs.
If your ego is telling you that you need to have all the answers, you're going to miss all the deep insights and therefor better outcome you would gotten within an open mind.
more here: https://sixzero.co/2021/06/02/how-to-design-confidently-with...