After all, in the eyes of outsiders, the Treasure Space should be a different space, and although Zhou Tian is said to have mastery over that domain, he should merely be a fortunate discoverer. Aside from the entrance to that space, other deities believe that Zhou Tian's connection with that space isn't deep.
However, at the moment when all the deities thought so, Zhou Tian's performance at that time made the three true gods realize that his relationship with the Treasure Space wasn't simple.
If the three true gods were given some time, they might hope to uncover the secret between Zhou Tian and the Treasure Space after thorough research. But obviously, from all aspects of the situation, it seems they never had that opportunity.
