Innovation and enterprise are sacrificed on the high altar of "billability", too often project managers produce budgets on schemes using outmoded & out-dated technology and workflows, because they only understand the technology of 20 years ago, and the specific costs of on a project, and not even aware of the recent innovations, or wanting to be aware whilst Jacobs competitors race away.
GVPs, and VPs are worse - living in a bubble of first class air travel and expense account lunches whilst the engineering staff that provide that lifestyle use computers held together with duct tape.