Hey, I posted this exact post in the venomous forum about a month ago. I agree with you. I think they are totally interchangeable and niether one is more correct than the other. I have even heard the croc hunter use the term non-poisonous.
1.0 Bearded Dragon, 0.0.1 Canebrake, 0.0.2 sulcatas, 0.2 Eastern Diamondback