Reviewing a network’s requirements, why would you provide different network security for the developers at a company from what you provide the CEO?

Reviewing a network’s requirements, why would you provide different network security for the developers at a company from what you provide the CEO?
If you were to apply a firewall and packet inspection device on the network, what type of differences would need to be applied to the different teams (developers versus CEO). Please identify the different restrictions you would apply to each group and why you think these are applicable.