There is nothing wrong with "abundance, prosperity, and greatness"; the problem lies with Cai Jing who deceives Zhao Ji under the guise of "abundance, prosperity, and greatness" and takes the opportunity to fleece the people.
Similarly, one can see that there is nothing inherently wrong with morality and integrity. The contempt that people gradually show towards morality and integrity is actually due to the many who exploit these virtues to carry out disgraceful acts.
However, the two individuals coming down from the upstairs appeared to be utterly sincere and proper in their appearance.
Shen Yue, seeing the demeanor of these two individuals and their attitude, could tell that these were likely the upright gentlemen spoken of in legends.