It doesn't protect anyone, and doesn't do anything useful. Find me another bullseye pistol with a magazine disconnect. I'll wait.
I have shot in a few dozen matches, and every Browning HiPower and S&W auto had its mag disconnect removed, and it was never even mentioned by the governing bodies.
In some of the matches, the hammer had to be in the forward position after unload/show clear. I would have needed to have an empty mag in my pocket to do that.
ALSO lots of shooters like to dry-fire practice. I do this thousands of times a week, and I WILL NOT DO IT with a magazine inserted. So...
What's wrong with removing the mag disconnect again?