I personally like standardrb (https://github.com/testdouble/standard). It is a set of sane defaults that I agree with mostly.

Standard was also complaining a little but omitting the explicit else branch made it happy.

Anyways you can customize RuboCop to your likings, use standardrb that comes with a lot of carefully considered defaults and uses RuboCop under the hood or don't use a linter at all and move on with your life.