The main constraint on the weak 2 is partnership trust, :-D.
The Weak 2 is a useful bid, as is the Weak NT, but it requires discipline!
If P opens 2H on Kxxx-Jxxxx-Kx-Kx, Draco LQQKS for another P!
ACBL alert procedures
http://66.147.103.15...c/alertpamp.htm are a useful guide but as Hrothgar says not a BBO requirement.
1NT-p-2C... if 2C is NOT Stayman, I wish to be alerted to that fact.
1H-p-4C... if that's Extended Gerber, ditto.
Active ethics, as opposed to "passive" ethics should be the key.
Bridge should not be subjected to the "Fog of War".
"I know that there is only one power worth having. That is the power, not to take, but to accept; not to have, but to give."