It doesn't get good until Not Retro. But if you really need to know the appeal, it's like a singleplayer/coop MMO, where every mission is like a big raid that requires a lot of pre-planning and strategy, with a big dopamine random loot at the end to upgrade your character. People also really love the monster design. Similar to Mechtards, there are Dragon/Monster/Dinosaur autists who just love big cool looking animals instead of sci-fi robots. So if you aren't into those things, it makes sense you wont really be into Monster Hunter