The questions I've encountered largely are variations of the seven Gumbel mentioned. The first two are overwhelmingly the most common objections to the Christian faith. But the creatures are not happy. Therefore, God lacks either goodness, or power, or both. The answer pondered throughout the ages has to do with free will and human choices, and people will ask this question until the end of time.
People see truth in other religions.
Clearly, God has partially revealed himself in creation. Moreover, he makes humans in his image, giving us a conscience to distinguish right from wrong. I like it when Christians say that no one will be saved by religion but by God's undeserved love through faith in Jesus Christ. We receive salvation when we accept the gift by faith. Though I believe sexual pleasure is God's idea, there's no doubt that every person has been deeply hurt in understanding sexuality.