You might have read the text of the arguments against HR-555, the Amateur Radio Parity Act. Either way, I think you'll be interested in hearing it from two of the principles themselves: Fred Hopengarten K1VT and Jim Talens N3JT. In some areas, this discussion will take you deeper and farther than the text.
Source: QRZ News
Link: HamRadioNow: It Ain't Parity Until WE Say It's Parity