Support and long term stability. You can hire a sysadmin to do everything manually, but it is worth the money to a lot of big businesses to have somewhere to ca

Support and long term stability. You can hire a sysadmin to do everything manually, but it is worth the money to a lot of big businesses to have somewhere to call when things get screwey. Also having a server that doesn't need to be turned off for ~10 years is a huge W for businesses as well.