The good news for them is you are not really their customer and you still get to see their advertisements while you gloat over your cleverness.
Do you honestly think the sort of person who is playing the system this way *isn't* running an adblocker/Noscript?
"The Avis WIZARD decides if you get to drive a car. Your head won't touch the pillow of a Sheraton unless their computer says it's okay." -- Arthur Miller