I thought it was specialization and cost-cutting. I know Comcast out here contracts their cabling to a company where the few managers make a decent amount of money while the technicians make little ranging from amateur to experienced in skill. Keeps them out of Comcast's HR approach and branding, too. Maybe some blame-shifting potential. Not sure all the reasons but plenty of possibilities come to mind.
Cost is probably the main one, though. This company has way less overhead and more flexibility than Comcast.
