For this reason, relations between employees tend to be better and over time employees learn to communicate better. In addition to getting the jobs done and having better solutions, teams make members develop their communication skills while participating in the group.
This means you can meet more ends with these resources. If the output is as it was requested, managers tend to leave it at that and don't look into details. So, contrary to popular belief, group work will make a team more efficient.
When all the members of a team trust each other, for example, to get tasks completed on time and to do what they say they will do, productivity increases and stress decreases in the workplace.
As people become accustomed to working together, they become more comfortable with delegating responsibilities to someone else and letting go of complete control. Thus, working together in groups and teams is more beneficial for a project, and in the larger picture, for the company.