Small violations of group norms need to be nipped in the bud, otherwise the door is open to bigger and bigger dysfunction. It may seem petty to address small infractions, but it’s worth it.
Sometimes getting teams to try something new can make you feel like Sam I Am. Are you spending more time addressing objections than on the activity itself?
The Agile Community has adopted the concept of “Coaching” in guiding teams to become Agile. What is Coaching? Do Agile teams really need Coaching?