Like the Constitution, you do not mess with Fiduciary Law. Both are sacrosanct. Untouchable. So you would think.
With Constitution Law anyone can police it (citizens, journalists, the courts). With Fiduciary Law only an interested party can police it. If you are not a beneficiary, you are out of luck.
Using CBA for estates invites immediate rot. There is no honour only hallucinated cost benefit analysis, it is quick and dirty.
CBA eats away at the rule of law.