Why did Tertullian advocate the support of Rome in the pragmatic hope of continuation of the status quo? Could not social destabilization work to see a better Christian order built on the ruins of Paganism?

"There is also another and a greater necessity for our offering prayer in behalf of the emperors, nay, for the complete-stability of the empire, and for Roman interests in general. For we know that a mighty shock impending over the whole earth — in fact, the very end of all things threatening dreadful woes — is only retarded by the continued existence of the Roman empire. We have no desire, then, to be overtaken by these dire events; and in praying that their coming may be delayed, we are lending our aid to Rome's duration."
Tertullian