This instructor is passing on false expectations.
Just because Robinson euphamisticaly refer to this as the "avoid" curve, do not, for 1 second think this is actually really ok. (even you being a really good pilot and all)
Low speed / Low inertia rotor / Low Level ops will only ever end up in a world of hurt if the donkey really stops.
Frank would not be a happy man to see people deliberately operating and indeed training in this profile - and filming it for broadcast on You-tube no less!!