Historically, when diligence is encouraged, more people become diligent, and everyone benefits from the resulting boom.

When you have enough, because you took action and earned it, nobody has to give you anything. Better to be a fox who can always catch his next meal than a dog who has to wait to be fed at somebody else's discretion..

When you have enough, you are free to decide how to distribute your largesse. You can decide to spend it all on necessities or on luxuries or on insurance, or not

One difference between the poor and the rich is that the rich tend to spend money on things that generate more income, whereas the poor tend to spend money on consumables. Which is why yard sales are so common in suburbia. People need to sell what they couldn't live without last year so they can afford to buy what they can't live without this year.