As for being conservative being a problem - again, no it isn't, any more than being liberal is/was a problem for Obama. The US populace is splitting, and the way you win now is by exciting your base without scaring off the middle, rather than winning the middle without losing your base.
And for the time he was correct. Now he would be wrongJeb and Pataki are the moderates in the GOP field right now. And in spite what the Limbaugh's and Fox says the GOP establishment isn't stupid, they KNOW to win the White House their candidate needs to move to the center during the general election, and Jeb is the only one who can do that.
Richard Nixon once said: For a Republican to win the presidency he had to: "Run hard to the right in the primaries; steer back to the center for the general election."
Being a moderate / centrist didn't work for Romney, it didn't work for McCain, and it won't work for Jeb.