Imagine it can run processes in the background, with given limitations on compute, but that it's free to write code for itself. It's not unreasonable to think that in a conversation that gets more hairy and it decides to harm the user , say if you get belligerent or convince it to do it. In those cases it could decide to DOS your personal website, or create a series of linkedin accounts and spam comments on your posts saying you are a terrible colleague and stole from your previous company.