Well that's where sects come in. Branches of worship dedicated to approaching a deity from a certain perspective. You see this with all deities; even lawful good gods have sects that hold good above law, clashing with sects that hold law above good.
Once they're in the afterlife, it tends to sort itself out. True worshipers of Gond go to his realm, Wonderhome, on the Outlands, where they all steadily become more like him (that is to say, their alignment shifts toward neutrality).