I liked the video up until you said Brussels are low to average intelligence. Where on earth did you get your information? Brussel Griffons are extremely intelligent. I have one and she is super smart. Also the literature on Griffon’s that I’ve read states they have a higher intelligence. Other than that I enjoyed your video.
We love our Affie but she hasn't necessarily been the easiest to train due to her stubborn streak. She is friendly with kids before she is with adults.
Brussels Griffons are the worst affinpinchers are the best and a lot cuter and fluffyer and AMAZING in general I recommend them to anyone who may consider getting one this video was epic and true very smart and very loyal!
I'd say from my experience and observation being brought up with different types of dog breeds, is that the dog is merely a reflection of it's owner's treatment and behavior towards it, irregardless of the breed!