If they put a policy in writing, lawyers can use it against them.
If they keep it verbal, there's plausible deniability.
Yes, but also, elders have it forcibly beaten into their heads at every.....friggen....elders....school...
If it's not in the written directions, you can't DF someone over it. "Do not go beyond the things written" extends (they literally say this) to the written directions of the GB.
They haven't yet figured out how to the thread the needle of protecting themselves from lawsuits while simultaneously punishing those who would break this edict.