David Jones did not want to touch upon the forbidden topic.
At least, until Rainbow and the others achieved the status of Eternal True Gods, he temporarily did not want to deal with anything related to the Forbidden Master, lest the little ones draw its attention.
Thus, David Jones decisively shifted the conversation, starting to beat around the bush about how the Ancient Heavenly Court had collapsed during the Ancient Age.
When the topic was not related to the Father God, Sun Wukong showed little interest.
"The cosmos is too vast, even for True Gods of the Divine Realm whose lifespans are close to eternity, it's very hard to travel throughout the entire cosmos, and Blue Star is not the only Great Thousand World in the universe."