Imagine if we can choose? I think most people will choose to be rich but maybe there are still lessons that we can get if we are born poor. Most of the times, poor people are the ones who are kind and care about the others, and it's still possible to get up and be rich even if you started as a poor person. You will feel more superior this way than those who already existed as rich.
The obvious way to be rich is to grind hard but I think there are some who only do minimal effort but still got lucky and hit the jackpot later on but usually these are the type of people who will not value their blessings which resulted for them to go back to their old poor lives again.
It is clear that no one wants to be born poor, but we cannot choose to be poor, and when I was a child I did not feel any negativity about poverty, it was my parents' concern and not me.
To some extent, I am lucky because I live in better times, I have more opportunities, I have a better education, and I can earn good money. Now I can choose how long I want to work, and my earnings will depend on this, so the conditions and place also play a very significant role in determining our well-being.
Yes, there are those who do not want to do something for this, laziness is also one of the reasons that a person remains at the same level.