Resource allocation considerations
Show how the same size job can be done in a variety of ways. Discuss critical path. Recognize role of critical path, and that per Schonberger (1981), projects will always be late relative to that flow. Recognize that you are identifying a 'happy path' which must have flexibility built in to it, or will quickly become irrelevant.
The more people are waiting, the less productivity the team has.
Scalability of communications
The difference between level of effort and earned value.
