"That's about it"? Bro, it's basically the inciting incident for the latter half of the book. The monster was NOT some blood-thirsty demon or whatever when he originally confronted Frankenstein and ELOQUENTLY asked for a wife (like, the 'narrator' deliberately points out how shocking it is that he speaks with composure and full sentences and shit); he even explicitly said 'Look, guy who made me the horror that I am, just make me a girlfriend so I don't have to be so alone and we will go off and live in the woods somewhere forever, never bothering anyone again.'. But because Franky couldn't do it, the monster THEN goes on a rampage, killing at least 3 people including Franky's fiance and best friend, which leads to him trying to hunt down the monster for revenge, yadda yadda. Again, the bride is not an insignificant part of the story, even if she never sees the un-life of day. Some of y'all haven't picked up this book in decades and it shows