Disagree completely. I think the ads are quite obvious in that
A) It clearly states it is a 3G coverage map
B) There is a sentence on the bottom of the screen that says that voice and data service are available outside the 3G coverage area.
IIRC, the ad says "3G" about 1 brazillion times as well.
There is no likelihood man can ever tap the power of the atom. -- Robert Millikan, Nobel Prize in Physics, 1923