No, his objection is something like "I'm a poweruser. I can shoot myself in the foot, please neuter me."

To elaborate a bit: most of the times, you don't have to sudo-install. If you're someone savvy enough to use a command line and understand these commands (if you enter them without this knowledge you're just plain stupid and nothing will save you), then there's no problem: you are the firewall, and you apply the level of caution appropriate for how much you thrust your source.