Dealing with the bigger, stronger opponent is one of the hardest thing to do in jiu jitsu. Particularly early in one’s education. For those who think that these attributes don’t matter, they haven’t been smashed by a gorilla of a fighter while fighting to survive. That said, there are ways built into the technique and training methods of jiu jitsu to deal with this.
Here is Part 2 of my conversations about Sifu Nik about the intersection of BJJ and JKD: