Looking into the fifth-stage model, there are so many problems with this model especially with a work environment part. Most employees who are work in a group already have the plans, roles, and resources figured out so all of the stages in the 5-stage model are not needed. Other problems with this model are conformity and social loafing. With conformity some people have the personalities that would just agree with other instead of giving their actual opinion. Some people would rather not contribute or decide that they will let others do all the work and yet they take credit for it.
The only way that this model can work is if the groups of people not know one another and they are from different business trying to work out a program to help all the different business to work together. Also if the people are from different business they are all going to want to let the other part of the group know what