Laravel Custom Registration Route/Logic

I would like to overwrite Laravel 5.2's public function postRegister() in my Auth controller.

I start by changing the route:

Route::post('/auth/register', 'Auth\AuthController@postRegisterI');

In my Auth controller, I now have this new postRegisterI() method as oppose to relying on the foundational postRegister(). But my changes in this new method don't seem to apply?

Is it still pointing to postRegister() for some reason? My AuthController looks like this:

class AuthController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Registration & Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles the registration of new users, as well as the
    | authentication of existing users. By default, this controller uses
    | a simple trait to add these behaviors. Why don't you explore it?
    |
    */

    use AuthenticatesAndRegistersUsers, ThrottlesLogins;

    /**
     * Create a new authentication controller instance.
     *
     * @return void
     */
     
    public function __construct()
    {
        $this->middleware('guest', ['except' => 'getLogout']);
    }
    
    public function postRegisterI(Request $request)
    {
        $validator = $this->validator($request->all());

        if ($validator->fails()) {
            $this->throwValidationException(
                $request, $validator
            );
        }

        //Auth::login($this->create($request->all()));
        $this->create($request->all());
        //return redirect($this->redirectPath());
        return;
    }

    /**
     * Get a validator for an incoming registration request.
     *
     * @param  array  $data
     * @return \Illuminate\Contracts\Validation\Validator
     */
    protected function validator(array $data)
    {
        return Validator::make($data, [
            'name' => 'required|max:255|unique:users',
            'email' => 'required|email|max:255|unique:users',
            'password' => 'required|confirmed|min:2',
        ]);
    }

    /**
     * Create a new user instance after a valid registration.
     *
     * @param  array  $data
     * @return User
     */
    protected function create(array $data)
    {
        return User::create([
            'name' => $data['name'],
            'email' => $data['email'],
            'password' => bcrypt($data['password']),
        ]);
    }
} 

For example in my ajax requests to /auth/register/ it never echoes out my returns as I indicate and it also keeps trying to redirect me to /home. I'm doing this because instead of passing /auth/register a form, I'm passing it a Javascript array with data to not only create a user (email, password, etc) but also an application that the user needs to join.

Eventually, I would like to create the Application model with that data right when the User is created, but right now I'm not sure that my function is even being called correctly!