The ISP I have the misfortune of dealing with at work fouls up their config management about twice a year and both enables DHCP and disables our static IP bloxk. Every time, I have to spend at least an hour escalating to a tech that understands what a static address *is*.
I'm not sure that liberal arts degrees are 'useless', although they certainly won't make you rich. On the other hand, a more complete knowledge of history among the general populace might have helped avoid this nice 1930s rerun we're living in...