Even if the three great families truly discerned the situation, Li Fei was confident they would definitely not rashly interfere and thereby disrupt his plans.
In fact, from the beginning, Li Fei had realized that the core issue was that it didn't matter to the three great families whether it was the Feng Family or the Chu Family that collapsed, as filling the gap with a new power was acceptable to them.
They did not intend to directly annihilate both families; there always had to be one family overseeing the other two. This was the notion held by the three great families. With such an issue certain to yield such an answer, Li Fei naturally knew what to do next.
What Chu Tianyang was actively creating was also this answer, performed for Li Fei to see, as well as for the three great families up above.
