We all want to depend on our technology (routers, firewalls, stateful inspection,) and all that stuff. Toys like that are definite musts in our era. Fort Knox or the CIA could be compromised with lack of common sense.
It's fundamental and "internet 101" without which one is most certainly doomed to a miserable, spammed, slow, hacked, rebuild oyur computer every six months Internet experience.

BRAVO!!!