Answer: Hi! I'm an avid reader, so I would love to answer this.
Explanation: So I would think that science fiction and dystopian are so popular because (especially now, when things are so undefined), people are curious about the future. They need to find ways to reassure themselves about the future, to know what's going to happen, or at least just have some sort of idea - or theory. Just something. I'm sure that's why they choose dystopian and sci-fi. I personally like fantasy. Also, books are just generally an escapism technique.