NFL teams don't care about consensus. They make their own evaluations based on their own criteria. Also, there are 32 teams/32 Draft boards and none would be exactly the same.
We know that most teams only have 100-150 player on their draft board. That means some good players will be excluded from some boards because they don't fit what a team is looking for. So there will be times when fans are calling for a player to be drafted by their team and that player isn't on their draft board.
The other thing about the "consensus" that fans are looking at is it's a consensus of people outside of the NFL...media, draftniks, etc.
As 1st Rounder rightly points out, people outside the NFL don't have all the information that the teams do.