Probably because it was extremely well-animated, had a decently large fanbase from the manga and was more easily marketable towards a western audience. Of course, it also had a really good story and a captivating first episode.
- NurAhmad4 years ago

was more easily marketable towards a western audience
I Can see why most AoT fans I Saw were from western, Though AoT is also extremely popular in my country, Indonesia

