Well that's the point. Feed the team with a trivial problem to see how they react.
A well working team will probably do as you say - volunteer an individual to write the rule in an email and follow it from there on.
If you going to introduce changes in a team, like for example introducing Agile (the proper way) or you are starting a new project, you want to quickly gauge the team dynamic, and that's a good exercise.
A well working team will probably do as you say - volunteer an individual to write the rule in an email and follow it from there on.
If you going to introduce changes in a team, like for example introducing Agile (the proper way) or you are starting a new project, you want to quickly gauge the team dynamic, and that's a good exercise.