The Goodness can easily be validated.
Is the action resulting in any feeling of remorse in myself in the other person affected by the action is it producing and enhancing or damaging and destructive. It is very simple and easy to do this test.The problem starts when we start justifying that damage or hurt by reasoning and applying logic and what not.
Avoiding reasoning and going with your first reaction or innate nature becomes difficult due to the conflicting knowledge that is accumulated.
Madhyasth Darshan is a science that helps overcome this dilemma and give clarity of thought in such situations I am in the process of learning documenting and presenting it Tu more people.
You have hit the bullseye by raking up this question about what is good and love to read more of your thoughts and