Answer:
That statement is true.
Explanation:
In a socratic method, you're forced to use your critical thinking and analyze all possible weakness for every answers before you are making a conclusion.
Rather than basing your decision on a pure belief such as religion or norms, using Socratic method will provide you with a more objective and rational results.
When implementing this method to create concepts like justice and piety, it will create a set of laws/regulations that benefited the majority of people in different groups rather than accommodating the people with a certain race or religion. This will make the people who practice it become happier and virtuous.