It's kind of symptomatic of bad fans that they trash anyone who isn't a Hall of Famer. People act like Romo not being Aikman or Staubach makes him trash.
The Cowboys didn't really get their act together as an ORGANIZATION until Romo's career was almost over. If Dak wins a title it will be as much about the organization as a whole getting on the right track as it is about his qualities as a player. They're important, but they aren't everything.
On the flip-side, Andrew Luck is on track to have a very short career because the Colts management is a farce and has built a roster seemingly designed to get him, personally, killed.