Does 4G really offer much pure competition when the two biggest (by number of subscribers) wireless companies, Verizon and AT&T, also do business in FTTP/DSL services in many of those very same markets?

Verizon: http://www.broadbandmap.gov/about-provider/verizon-communica...

AT&T: http://www.broadbandmap.gov/about-provider/at&t-inc/nationwi...