No matter what some local opinions are, those are not wasps they are hornets and I agree you should be using an excess of caution with them. There may be a couple thousand hornets in a nest that big and they are going to be pissed.
Wasps are fairy tame and you can usually just knock a wasp nest down with a stick and get away with it. Not so much with hornets.
Do it at night, minimal to zero artificial light and soak it with long distance spray can.