StorySpotting: They don't make critters that big anymore (Love and Monsters)

StorySpotting is a weekly or kinda-weekly series about folktales, tropes, references, and story motifs that pop up in popular media, from TV shows to video games. Topics are random, depending on what I have watched/played/read recently. Also, THERE WILL BE SPOILERS. Be warned!I finally watched Love and Monsters on Netflix, and I have things to share.Where was the story spotted?Love and