Simple correction.
AM and other Generals are helping Sharifs and Zardari not because they like them but because they themselves are fighting for their survival. Hence, GHQ and PDM are clenching each other tightly in order to save themselves from the wrath of Khan.
Powerful Imran Khan will be a disaster for their hold on power and will be a big hurdle in their epic plundering of this country.
They cannot impose an all out Martial Law as it will not be acceptable to the Western powers as currently they don't have a direct wars in this region to open the spigot of dollars.