Kyle: I love to ask them how they know God loves them. "I am born again, I have God's promises." But if God has no moral problems with damning many (most?) people unconditionally, then I'm certain He would have no moral problems promising things He doesn't follow up on, or giving you a delusory experience, only to damn you later (Calvin's false hope).
VR: This is an issue I have often thought about. At one point in my lengthy exchange with Triablogue I asked what it would be for God not to be good, and Paul said "For God not to keep his promises." But if we were to discover that God had broken a promise, couldn't they just say that it was just my intuitions that God ought not to do that, and that of course God has a good reason for breaking his promise even though we have no idea what it is.
Flew's gardener lurks in the background.