There are many compensations for rebellions as Lucifer's: one is enhanced careers of those mortal ascenders, the Jerusem citizens, who, by withstanding the sophistries of sin, placed themselves in line for becoming future Mighty Messengers. 
Although the Universal Father is personally present in the residential universe, he does not indwell the minds of the beings originating in that universe.  There are, of course, certain compensations for tribulation, such as Michael’s bestowal on Urantia.  Gains of higher loyalty offset earlier tribulation.  Gods take note of man’s needs at every stage. 
It will undoubtedly be the function of the evolutionary citizens of the grand universe to compensate the outer-spacers for this deprivation of the growth of Supremacy.  Nevertheless, there is a certain, inevitable penalty attaching to mortal existence on such advanced evolutionary planets. 
In the time-evolving universes of space there is greater divinity attenuation, more difficult problems to be solved, and larger opportunity to acquire experience in their solution.  Nebadon’s troubles made it an educational clinic for other near-by creations. 
Son and Spirit fusion do, superficially, resemble compensations of unexplained failures in some detail of the Paradise-attainment plan, but is not true. All these happenings unfold in obedience to the established laws.  Spirit-fused mortals attain unsurpassed wisdom regarding local universe. 
The evolving Supreme will eventually compensate finite creatures for their inability ever to achieve more than limited experience contact with the universe of universes.  Those personalities who are farthest from God, and who can therefore experience the greatest degree of spiritual ascent in the universe.