So we agree that the beis din must make a case by case determination of whether the candidate intends to keep the entire torah.
So at what point would you say a beis din should invalidate itself, and realize that they are not doing a good job of it?
For example, if I was trying to build washing machines, and many of my washing machines didn’t work, at some point I would determine that either the method I am using is bad, or that I am simply not good at making washing machines.
So, what rate of “wrong results” do you think a beis din should accept before they determine that they are doing a bad job and should get out of the business?
Suppose that 10% of their geirim do not stay frum? Is that too much?
How about 20% (1 in 5)?
How about 30% (1 in 3)?
What is your tolerance level for that? Tell us.