Amit Singh of Google for Work: A Respectful Clash of Ideas
http://www.nytimes.com/2016/01/24/technology/amit-singh-of-google-for-work-a-respectful-clash-of-ideas.html
I totally agree with this opinion, and I believe the most important thing is to have a many discussion with various team members, a respectful clash of ideas is the best way to find the final solution.