It's just so disappointing how a relative can be so selfish to put someone's life at stake for the sake of money. This is why we need to check up on the people we love to see whether they are doing just fine or they are going through some hardships such as gambling addiction which is a serious problem that needs intervention. By doing that, we could avoid things to escalate to this.
Yes, it needs to be done. We have to take care of our loved ones, especially our own families. That's why we need to always communicate well with our families, we must know what problems are happening to them. If we can catch the problem early, it will be easier to help.
Maybe the grandfather has long been a gambling addict so his actions can be very reckless. It was not an action that many people would think of, perhaps the grandfather was so depressed from losing while gambling that he had a bad thought, kidnapping his own grandson.