Unless there will be many capable developers who stay. If you're the single guy who has a clue then yes, don't do this if you don't have a reasonable plan for those who stay.
It also sounds like maintaining a haskell code base is some rocket science. It is not. There are both extreme, but also conservative ways of doing things, and if you pick the conservative, then the people staying won't have that much trouble coping.
It also sounds like maintaining a haskell code base is some rocket science. It is not. There are both extreme, but also conservative ways of doing things, and if you pick the conservative, then the people staying won't have that much trouble coping.