The dotfile/vim/password_store required to run as user with root permissions, that's why reverting these changes on rpi and resolving to using a more normal role (in pihole where it was broken)
This modularity means that each role can be installed in a playbook by itself as long as the other roles exist around it. This also straps the ensure dependency packages exist in any of the roles tasks, they should be moved to their own roles and configured properly if needed.