I think having a lot of money has to change people to some degree, but mostly because people become more afraid when large amounts of money is at their disposal. For one thing, others around them expect them to be generous no matter what, and that usually ignites a fear of losing their money to the other person's greed. Winners of large amounts of money are besieged by requests for financial help, even from relatives they never knew they had! It would be horribly overwhelming. Couples that formerly got along fall to bickering about how the money would be spent, with each accusing the other of changing. There's something to the idea that couples stay together because of adversity.
Finally, most people have no plan to preserve wealth, thereby blowing it on toys which quickly depreciate. I once knew someone who won $50,000 and even with the $30 plus thousand after taxes, felt it wasn't very much money. Rather than investing it in a something that would have brought long term growth, they spent it on four-wheelers and a new car. Now they probably needed the new car, but the money was gone quickly and they had nothing to show for it. An investment in a duplex would have given them additional income in ten years when their kids were off to college, providing those children with much needed help. Money put aside for their retirement would have helped them retire when they were old enough to enjoy traveling or time together. Instead, they told us that really, "It wasn't that much money anyway." It was a great amount of seed money, they just didn't know how to plant it.
Your real question seems to be whether having money brought on pedophilia. I doubt it, because that is a sexual deviation brought on by sexual abuse when young and/or desensitization to pornography. If he can be accused of anything tying together wealth with this sexual activity, it might that wealth allowed him to have more time on his hands, which allowed him to spend time indulging his sexual appetite online. Most people who work for a living don't have that kind of time until after work. Still, most folks can get into illegal mischief during their off hours. As one wealthy man often told me, "The difference between the rich and poor is how they use their time."