I think that OWK would be willing to set you straight on that one :-)
We've been doing this since long before you showed up here ( and at other sites too).
How well does his brother know him?
If you know OWK that well, then you know he used to be a Christian. That he no longer accepts Christianity's truth claims does not mean that he is "frightened of the gospel".
BTW, I began lurking here about the same time you registered.