That might be. The spring and ball mechanism did get a bit stiff (salt air?), so the screw was hard to calibrate.
I like the sacrificial cordage solution better.
Another one was described to me by Mike Leneman once for the rudder — drill a hole in the rudder and use a sacrificial plastic pin.
At the time my rudder downhaul was slipping creating excessive lee helm
. Replacing the downhaul line with a thicker low stretch polyester rope solved