Despite his many hopes for using artificial spiritual products as design spirits for his mechs, he did not consider them to be the ultimate solution to every problem.
His previous mech designs which utilized natural spiritual fragments or entities were very powerful. As long as their inclinations matched their mech designs, then the resulting combination was very powerful.
"The main advantage to resorting to products of nature is that they are already mature!"
A Sacred God like Qilanxo who grew up on Aeon Corona VII and went through countless experiences was not something an artificial spiritual product could match.
The difference between the former and the latter was that a spiritual product was completely newborn at the moment of creation. In fact, as a purely spiritual lifeform, it never enjoyed an opportunity to live a long and impactful physical existence.
