With all these examples, do you think it is important for gamblers to have a do list in case they win a huge amount, and what are the first steps they should take?
Yes, organization is the key for a correct management. What happens is that these jackpot winners have never seen a huge amount of money in front of they eyes before, so they don't know how to make use of it in a smart and wise way. The money is so voluminous that these people think it will never end, so they don't plan how they are going to use it. They just use it as they wish on the present moment. As consequence, the money drains really fast until nothing is left.
The first step they should take is to list investment categories they should engage to put part of the prize, calculating how much it's going to generate monthly and yearly. If they don't have knowledge about it, they should seek for professional guidance. Since money isn't an issue, it shouldn't be hard to find skilled financial advisors to give them the right direction inside financial market.
Once the prize they won generates extra income in a regular basis, they can feel free to spend the income they are making, without ever harming the initial sum they used to start the investments. This way they can live an entire life without worrying about financial problems anymore, turning that prize into a long lasting asset which will ensure the future of their families for generations, possibly, if correct management is applied.