It will be continued content, so we can expect more things in the future.
All island's are also the same because if not you would have a lot more people complain about having a "bad" island and they would "reroll" the heck out of it until the get the "perfect" island.
Beside that, it is every player's own fault to search for spawn locations and other stuff. You could just not look up the shiny spawn's or best farm route's and explore it by yourself.

The base of IS gives hope for so much more and interesting things to day.
Maybe we even get the long awaited instanced housing at a higher level.