As such it is a backdoor into server and connection to DRAC should be on a separate segment which needs to be controlled by a firewall.
For example Lifecycle Controller 2.0 technology enable to update BIOS via DRAC.
v Flash simplifies using kickstart and provide local backup for config files.
It provides more useful capabilities for a remote sysadmin and makes Dell server preferable to competitors in such situations.
In other words it is closer to the ideal solution which allow to manage servers as if sysadmin is physically near the server.
IPMI offers a way to remotely power-cycle a machine, as well as to have remote console viewable to see the machine boot from BIOS.
You can change BIOS settings, reboot the nodes, and watch them boot up and see the console screen without ever seeing the machine.