"A gossip betrays a confidence; so avoid anyone who talks too much." - Proverbs 20:19

If God began to evolve with the evolution of love, especially objectless love *(in spite of existing in all times after becoming a real entity), and God is all merciful, God's will is what most assists all sentient life - if free will is a thing in part because Omnipotence is only symbolically real. 

If God has always existed, and is all merciful, God could have raised sentient life forms so that they choose the good over the bad 100% of the time. Even if they have free will. Free will continues to be free will even without selfish emotions. Just as a human parent that does a good job raising hir child raises a child that sins less than one raised by a bad parent, God as the ultimate good parent if capable of anything could have raised humanity to be selfless, yet free.

If ghosts exist, it stands to reason that some would be older than others, perhaps involving an immortal hierarchy of animals and humanoids. If God is newer than an overly literal read of the Bible might lead one to suspect, and all powerful because all power yet also finite because brought to life by the believers' deeds, God has to work a stratagem that caters to the highest available success probability, long then short term, by all sentient life.

One relevant variable concerns trust - since God only ultimately cares about what is most merciful for all sentient life taken as a whole, all sentient life has motive to want God to win. The better the whole is functioning, especially if it achieves capacity, the better all individuals function. 

God is the most trustworthy totem for all sentient life because omniscient at meeting the needs of the whole. Nothing except God can claim to be omniscient.

The oldest ghost immortals may feel invaded by fairness, if God can invade first. For this reason, I suspect the Book promises salvation only to the devotees of God - since recruited into the military of God, if they are invaded, God didn't invade first in defending them. 

Besides fairness and "impersonal" (all merciful) will defending the rights of the individual through the whole, old ghost immortals may desire to network with those who can be trusted with loyalty itself, and against those who are a threat to loyalty. It is the only motivation I can think of concerning choosing whom to network with and empower, (besides the X-Factor power level of random personality type entities). 

The more often a loyalty meets their contract obligations, the more often they prove their worth as allies. The less often, the more often they demonstrate a case for being a hindrance or a liability. However, the greatest liability is the loyalty that betrays the alliance on point of the purpose of the alliance itself. The % of the time this is done amounts to the probability networking with them will backfire. 

It would be a betrayal of confidence, a turning in of an accessory to one's own actions for it. Eye for an eye does not forbid denying bad allies alliances, even on points of loyalty of a morally neutral nature.