I believe the argument for privatization of services is that you can switch providers in a marketplace, that should provide efficient options. So you can switch

I believe the argument for privatization of services is that you can switch providers in a marketplace, that should provide efficient options. So you can switch payroll and billing systems from ado to new without laying off a whole division and software rewrites. However in practice it leads to vendor capture and more interface layers of project and program managers and auditors.