Interesting, I never use parentheses in #ruby method definitions either (unless required for correct syntax parsing situations): https://dev.to/ko1/am-i-the-only-one-who-doesnt-put-parentheses-around-the-parameters-in-ruby-method-definitions-136c

This was one of many reasons I got into Ruby nearly ~18 years ago because I love you can avoid unnecessary syntax and ceremony. This is also the default setting in the Caliber gem: https://alchemists.io/projects/caliber