User blog comment:Glflegolas/Biome of the Week -- Issue 6 -- October 23, 2016/@comment-99.224.12.148-20161024195918/@comment-25841881-20161025044822

Exactly that. They hide there.. They don't have to worry about passing bands of soldiers finding them and killing them. Presumably, they'd have some way of getting to the mainland for raids.