Personal Opinion. It’s not that people are incapable of believing, but rather they don’t want to believe.
After all, all we have to do to “believe” is turn our brains off…
And what about all the people brought up in Muslim or Buddhist or Hindu cultures? Why shouldn’t they just throw off their entire cultural backgrounds and take up the same religion as DevotedToChrist? After all, if they don’t they’ll burn eternally in hell.
Who could pass up an opportunity like that?