Because modern Protestants have not only forgotten what Rome was, what she is, and what she will for ever be; the most irreconcilable and powerful enemy of the Gospel of Christ; but they consider her almost as a branch of the church whose corner stone is Christ.
If you are going to make your mark among masters, you have to work far harder and more intensively, or, to put it more exactly, the work is far more complex than that needed to gain the title of Master.