Zhou Tian used a method of "carrot and stick" to subdue those deities. In such a situation at that time, although those deities would not easily betray Zhou Tian, they couldn't be said to show any real loyalty to him either.
In general circumstances, Zhou Tian wouldn't have to worry about his deities betraying him. First, Zhou Tian's powerful strength made it difficult for his deities to succeed in betrayal. Moreover, Zhou Tian indeed brought a lot of benefits to those deities. Having gained benefits under Zhou Tian's guidance, those deities naturally would not easily have the thought of betraying the living beings.
However, if following Zhou Tian becomes synonymous with danger, then regardless of how many benefits Zhou Tian brought to those deities, when it's time to betray Zhou Tian, those True Gods probably wouldn't hesitate.
